The Extraembryonic membranes Flashcards by NAOMI BASAY

The Extraembryonic Membranes

________: encompasses yolk
amnion: enclosing the amniotic cavity
allantois: outgrowth of hindgut

yolk sac

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The Extraembryonic Membranes

yolk sac: encompasses yolk
_______: enclosing the amniotic cavity
allantois: outgrowth of hindgut

amnion

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The Extraembryonic Membranes

yolk sac: encompasses yolk
amnion: enclosing the amniotic cavity
________: outgrowth of hindgut

allantois

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The Extraembryonic Membranes

yolk sac: encompasses yolk
amnion: enclosing the amniotic cavity
allantois: outgrowth of _______

hindgut

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The Extraembryonic membranes

_________: chorio-allantoic membrane
can be used as a model to assay angiogenesis: ability of a substanceto develop blood cells
growing stages
head fold and tail fold: forming the amniotic cavity

angiogenesis

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The Extraembryonic membranes

angiogenesis: ___________ membrane
can be used as a model to assay angiogenesis: ability of a substanceto develop blood cells
growing stages
head fold and tail fold: forming the amniotic cavity

chorio-allantoic

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The Extraembryonic membranes

angiogenesis: chorio-allantoic membrane
can be used as a model to ______ angiogenesis: ability of a substance to develop blood cells
growing stages
head fold and tail fold: forming the amniotic cavity

assay

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The Extraembryonic membranes

angiogenesis: chorio-allantoic membrane
can be used as a model to assay angiogenesis: ability of a substance to develop _______ cells
growing stages
head fold and tail fold: forming the amniotic cavity

blood

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The Extraembryonic membranes

angiogenesis: chorio-allantoic membrane
can be used as a model to assay angiogenesis: ability of a substanceto develop blood cells
growing stages
head fold and tail fold: forming the ______ ______

amniotic cavity

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Human Extraembryonic Membranes

formation of each is ______
blastocyst: inner cell mass and trophoblast
trophoblast: equivalent of chorion

No head folding
Formation is Independent of amnion

different

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Human Extraembryonic Membranes

formation of each is different
________: inner cell mass and trophoblast
trophoblast: equivalent of chorion

No head folding
Formation is Independent of amnion

blastocyst

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Human Extraembryonic Membranes

formation of each is different
blastocyst: ______ _____ _____and trophoblast
trophoblast: equivalent of chorion

No head folding
Formation is Independent of amnion

inner cell mass

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Human Extraembryonic Membranes

formation of each is different
blastocyst: inner cell mass and _______
trophoblast: equivalent of chorion

No head folding
Formation is Independent of amnion

trophoblast

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Human Extraembryonic Membranes

formation of each is different
blastocyst: inner cell mass and trophoblast
________: equivalent of chorion

No head folding
Formation is Independent of amnion

trophoblast

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Human Extraembryonic Membranes

formation of each is different
blastocyst: inner cell mass and trophoblast
trophoblast: equivalent of ______

No head folding
Formation is Independent of amnion

chorion

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Human Extraembryonic Membranes

formation of each is different
blastocyst: inner cell mass and trophoblast
trophoblast: equivalent of chorion

_____ head folding
Formation is Independent of amnion

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Human Extraembryonic Membranes

formation of each is different
blastocyst: inner cell mass and trophoblast
trophoblast: equivalent of chorion

No head folding
Formation is ________ of amnion

independent

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Human Extraembryonic Membranes

formation of each is different
blastocyst: inner cell mass and trophoblast
trophoblast: equivalent of chorion

No head folding
Formation is Independent of _______

amnion

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Human Extraembryonic Membranes

______: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity
natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk)
rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak
posterior part of gut: evagination: allantois

amnion

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Human Extraembryonic Membranes

amnion: from _____ ____ ______
Magkakaroon ng butas; fuse to become amniotic cavity
natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk)
rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak
posterior part of gut: evagination: allantois

inner cell mass

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Human Extraembryonic Membranes

amnion: from inner cell mass
Magkakaroon ng _____; fuse to become amniotic cavity
natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk)
rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak
posterior part of gut: evagination: allantois

butas

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Human Extraembryonic Membranes

amnion: from inner cell mass
Magkakaroon ng butas; ______ to become amniotic cavity
natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk)
rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak
posterior part of gut: evagination: allantois

fuse

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Human Extraembryonic Membranes

amnion: from inner cell mass
Magkakaroon ng butas; fuse to become _____ ______
natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk)
rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak
posterior part of gut: evagination: allantois

amniotic cavity

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Human Extraembryonic Membranes

amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity
natitira: magfoform ng _____ ____
Unlike in avian (endodermal cells growing around the yolk)
rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak
posterior part of gut: evagination: allantois

yolk sac

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Human Extraembryonic Membranes - amnion: from inner cell mass Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac Unlike in _____ (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast -formation of primitive streak - posterior part of gut: evagination: allantois

avian

Human Extraembryonic Membranes - amnion: from inner cell mass Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac Unlike in avian (_______ ____ growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast -formation of primitive streak - posterior part of gut: evagination: allantois

endodermal cells

Human Extraembryonic Membranes - amnion: from inner cell mass Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac Unlike in avian (endodermal cells growing around the ____) - rest of cells: will divide to form epiblast and hypoblast -formation of primitive streak - posterior part of gut: evagination: allantois

yolk

Human Extraembryonic Membranes - amnion: from inner cell mass Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac Unlike in avian (endodermal cells growing around the yolk) - ______ __ _____: will divide to form epiblast and hypoblast -formation of primitive streak - posterior part of gut: evagination: allantois

rest of cells

Human Extraembryonic Membranes - amnion: from inner cell mass Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will ______ to form epiblast and hypoblast -formation of primitive streak - posterior part of gut: evagination: allantois

divide

Human Extraembryonic Membranes - amnion: from inner cell mass Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form ______ and ______ -formation of primitive streak - posterior part of gut: evagination: allantois

epiblast, hypoblast

Human Extraembryonic Membranes - amnion: from inner cell mass Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast -formation of ______ _______ - posterior part of gut: evagination: allantois

primitive streak

Human Extraembryonic Membranes - amnion: from inner cell mass Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast -formation of primitive streak - ______ part of gut: evagination: allantois

posterior

Human Extraembryonic Membranes - amnion: from inner cell mass Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast -formation of primitive streak - posterior part of ___: evagination: allantois

gut

Human Extraembryonic Membranes - amnion: from inner cell mass Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast -formation of primitive streak - posterior part of gut: ______: allantois

evagination

Human Extraembryonic Membranes - amnion: from inner cell mass Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast -formation of primitive streak - posterior part of gut: evagination: _____

allantois

Mammalian Extraembryonic Membranes - as it rolls down the _____ - hatches from zona pellucida - buries itself with inner cell mass on one side, facing - the side where the ICM is growing: the one responsible to secrete enzymes to cut itself to the wall of uterus - chorin growing into the substance of the wall

uterus

Mammalian Extraembryonic Membranes - as it rolls down the uterus - hatches from _____ ______ - buries itself with inner cell mass on one side, facing - the side where the ICM is growing: the one responsible to secrete enzymes to cut itself to the wall of uterus - chorin growing into the substance of the wall

zona pellucida

Mammalian Extraembryonic Membranes - as it rolls down the uterus - hatches from zona pellucida - buries itself with _____ ___ _____ on one side, facing - the side where the ICM is growing: the one responsible to secrete enzymes to cut itself to the wall of uterus - chorin growing into the substance of the wall

inner cell mass

Mammalian Extraembryonic Membranes - as it rolls down the uterus - hatches from zona pellucida - buries itself with inner cell mass on one side, facing - the side where the ICM is growing: the one responsible to secrete ______ to cut itself to the wall of uterus - chorin growing into the substance of the wall

enzymes

Mammalian Extraembryonic Membranes - as it rolls down the uterus - hatches from zona pellucida - buries itself with inner cell mass on one side, facing - the side where the ICM is growing: the one responsible to secrete enzymes to cut itself to the wall of uterus - _______ growing into the substance of the wall

chorion

Mammalian Extraembryonic Membranes - _____ becomes divided into two: cytotrophoblast: the cellular walls > cells are clear and well differentiated syncitiotrophoblast: > cells are not differentiated from each other by a cell membrane > secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo Blood: maternal contribution

chorion

Mammalian Extraembryonic Membranes - chorion becomes divided into two: ________ : the cellular walls > cells are clear and well differentiated syncitiotrophoblast: > cells are not differentiated from each other by a cell membrane > secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo Blood: maternal contribution

cytotrophoblast

Mammalian Extraembryonic Membranes - chorion becomes divided into two: cytotrophoblast: the ______ walls > cells are clear and well differentiated syncitiotrophoblast: > cells are not differentiated from each other by a cell membrane > secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo Blood: maternal contribution

cellular

Mammalian Extraembryonic Membranes - chorion becomes divided into two: cytotrophoblast: the cellular walls > cells are _____ and _____ _______ syncitiotrophoblast: > cells are not differentiated from each other by a cell membrane > secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo Blood: maternal contribution

clear, well differentiated

Mammalian Extraembryonic Membranes - chorion becomes divided into two: cytotrophoblast: the cellular walls > cells are clear and well differentiated _________ : > cells are not differentiated from each other by a cell membrane > secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo Blood: maternal contribution

syncitiotrophoblast

Mammalian Extraembryonic Membranes - chorion becomes divided into two: cytotrophoblast: the cellular walls > cells are clear and well differentiated syncitiotrophoblast: > cells are ___ _______from each other by a cell membrane > secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo Blood: maternal contribution

not differentiated

Mammalian Extraembryonic Membranes - chorion becomes divided into two: cytotrophoblast: the cellular walls > cells are clear and well differentiated syncitiotrophoblast: > cells are not differentiated from each other by a ____ ______ > secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo Blood: maternal contribution

cell membrane

Mammalian Extraembryonic Membranes - chorion becomes divided into two: cytotrophoblast: the cellular walls > cells are clear and well differentiated syncitiotrophoblast: > cells are not differentiated from each other by a cell membrane > secreting substances to ___ ______ from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo Blood: maternal contribution

cut itself

Mammalian Extraembryonic Membranes - chorion becomes divided into two: cytotrophoblast: the cellular walls > cells are clear and well differentiated syncitiotrophoblast: > cells are not differentiated from each other by a cell membrane > secreting substances to cut itself from the wall - red: spaces: blood from the ______, bathe the blood vessels that come from the embryo Blood: maternal contribution

mother

Mammalian Extraembryonic Membranes - chorion becomes divided into two: cytotrophoblast: the cellular walls > cells are clear and well differentiated syncitiotrophoblast: > cells are not differentiated from each other by a cell membrane > secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the ______ ______ that come from the embryo Blood: maternal contribution

blood vessels

Mammalian Extraembryonic Membranes - chorion becomes divided into two: cytotrophoblast: the cellular walls > cells are clear and well differentiated syncitiotrophoblast: > cells are not differentiated from each other by a cell membrane > secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the ______ Blood: maternal contribution

embryo

Mammalian Extraembryonic Membranes - chorion becomes divided into two: cytotrophoblast: the cellular walls > cells are clear and well differentiated syncitiotrophoblast: > cells are not differentiated from each other by a cell membrane > secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo ______ : maternal contribution

Blood

Mammalian Extraembryonic Membranes - the whole of the _____ is covered by the villi - villi concentrate only where it started in the beginning - umbilical stalk forms - all the villi will disappear -capsule of embryo is divided into: chorion fondosum: has a lot of villi chorion laeve: chorion is smooth - fetal contribution to placenta

embryo

Mammalian Extraembryonic Membranes - the whole of the embryo is covered by the _____ - villi concentrate only where it started in the beginning - umbilical stalk forms - all the villi will disappear -capsule of embryo is divided into: chorion fondosum: has a lot of villi chorion laeve: chorion is smooth - fetal contribution to placenta

villi

Mammalian Extraembryonic Membranes - the whole of the embryo is covered by the villi - villi _______ only where it started in the beginning - umbilical stalk forms - all the villi will disappear -capsule of embryo is divided into: chorion fondosum: has a lot of villi chorion laeve: chorion is smooth - fetal contribution to placenta

concentrate

Mammalian Extraembryonic Membranes - the whole of the embryo is covered by the villi - villi concentrate only where it started in the beginning - ______ ____ forms - all the villi will disappear -capsule of embryo is divided into: chorion fondosum: has a lot of villi chorion laeve: chorion is smooth - fetal contribution to placenta

umbilical stalk

Mammalian Extraembryonic Membranes - the whole of the embryo is covered by the villi - villi concentrate only where it started in the beginning - umbilical stalk forms - all the villi will ______ -capsule of embryo is divided into: chorion fondosum: has a lot of villi chorion laeve: chorion is smooth - fetal contribution to placenta

disappear

Mammalian Extraembryonic Membranes - the whole of the embryo is covered by the villi - villi concentrate only where it started in the beginning - umbilical stalk forms - all the villi will disappear - _______ of embryo is divided into: chorion fondosum: has a lot of villi chorion laeve: chorion is smooth - fetal contribution to placenta

capsule

Mammalian Extraembryonic Membranes - the whole of the embryo is covered by the villi - villi concentrate only where it started in the beginning - umbilical stalk forms - all the villi will disappear -capsule of embryo is divided into: ______ ______: has a lot of villi chorion laeve: chorion is smooth - fetal contribution to placenta

chorion fondosum

Mammalian Extraembryonic Membranes - the whole of the embryo is covered by the villi - villi concentrate only where it started in the beginning - umbilical stalk forms - all the villi will disappear -capsule of embryo is divided into: chorion fondosum: has a lot of _____ chorion laeve: chorion is smooth - fetal contribution to placenta

villi

Mammalian Extraembryonic Membranes - the whole of the embryo is covered by the villi - villi concentrate only where it started in the beginning - umbilical stalk forms - all the villi will disappear -capsule of embryo is divided into: chorion fondosum: has a lot of villi ______ ______: chorion is smooth - fetal contribution to placenta

chorion laeve

Mammalian Extraembryonic Membranes - the whole of the embryo is covered by the villi - villi concentrate only where it started in the beginning - umbilical stalk forms - all the villi will disappear -capsule of embryo is divided into: chorion fondosum: has a lot of villi chorion laeve: chorion is _______ - fetal contribution to placenta

smooth

Mammalian Extraembryonic Membranes - the whole of the embryo is covered by the villi - villi concentrate only where it started in the beginning - umbilical stalk forms - all the villi will disappear -capsule of embryo is divided into: chorion fondosum: has a lot of villi chorion laeve: chorion is smooth - ______ contribution to placenta

fetal

Mammalian Extraembryonic Membranes - the whole of the embryo is covered by the villi - villi concentrate only where it started in the beginning - umbilical stalk forms - all the villi will disappear -capsule of embryo is divided into: chorion fondosum: has a lot of villi chorion laeve: chorion is smooth - fetal contribution to ________

placenta

Mammalian Extraembryonic Membranes maternal contribution also divided into two: ______ _____ desidua capsulares Next to leave - other parts of uterine wall where the baby is not growing: desidua parietalis - dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts - chorio-allantoic membrane Allantois: very vascularized - here: only most proximal part of allantois is useful that will become the u. bladder -villi of chorion is made up from the allantois

desidua basalis

Mammalian Extraembryonic Membranes maternal contribution also divided into two: desidua basalis ________ ________ Next to leave - other parts of uterine wall where the baby is not growing: desidua parietalis - dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts - chorio-allantoic membrane Allantois: very vascularized - here: only most proximal part of allantois is useful that will become the u. bladder -villi of chorion is made up from the allantois

desidua capsulares

Mammalian Extraembryonic Membranes maternal contribution also divided into two: desidua basalis desidua capsulares Next to leave - other parts of uterine wall where the baby is not growing: _______ _______ - dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts - chorio-allantoic membrane Allantois: very vascularized - here: only most proximal part of allantois is useful that will become the u. bladder -villi of chorion is made up from the allantois

desidua parietalis

Mammalian Extraembryonic Membranes maternal contribution also divided into two: desidua basalis desidua capsulares Next to leave - other parts of uterine wall where the baby is not growing: desidua parietalis - _______ capsulares with parietalis: kapag naggrow na ung baby sa buong parts - chorio-allantoic membrane Allantois: very vascularized - here: only most proximal part of allantois is useful that will become the u. bladder -villi of chorion is made up from the allantois

dumidikit

Mammalian Extraembryonic Membranes maternal contribution also divided into two: desidua basalis desidua capsulares Next to leave - other parts of uterine wall where the baby is not growing: desidua parietalis - dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts - ______ _______membrane Allantois: very vascularized - here: only most proximal part of allantois is useful that will become the u. bladder -villi of chorion is made up from the allantois

chorio-allantoic

Mammalian Extraembryonic Membranes maternal contribution also divided into two: desidua basalis desidua capsulares Next to leave - other parts of uterine wall where the baby is not growing: desidua parietalis - dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts - chorio-allantoic membrane _______ : very vascularized - here: only most proximal part of allantois is useful that will become the u. bladder -villi of chorion is made up from the allantois

Allantois

Mammalian Extraembryonic Membranes maternal contribution also divided into two: desidua basalis desidua capsulares Next to leave - other parts of uterine wall where the baby is not growing: desidua parietalis - dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts - chorio-allantoic membrane Allantois: very ________ - here: only most proximal part of allantois is useful that will become the u. bladder -villi of chorion is made up from the allantois

vascularized

Mammalian Extraembryonic Membranes maternal contribution also divided into two: desidua basalis desidua capsulares Next to leave - other parts of uterine wall where the baby is not growing: desidua parietalis - dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts - chorio-allantoic membrane Allantois: very vascularized - here: only most ______ part of allantois is useful that will become the u. bladder -villi of chorion is made up from the allantois

proximal

Mammalian Extraembryonic Membranes maternal contribution also divided into two: desidua basalis desidua capsulares Next to leave - other parts of uterine wall where the baby is not growing: desidua parietalis - dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts - chorio-allantoic membrane Allantois: very vascularized - here: only most proximal part of allantois is useful that will become the _______ ______ -villi of chorion is made up from the allantois

urinary bladder

Mammalian Extraembryonic Membranes maternal contribution also divided into two: desidua basalis desidua capsulares Next to leave - other parts of uterine wall where the baby is not growing: desidua parietalis - dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts - chorio-allantoic membrane Allantois: very vascularized - here: only most proximal part of allantois is useful that will become the u. bladder - ______ of chorion is made up from the allantois

villi

Mammalian Extraembryonic Membranes maternal contribution also divided into two: desidua basalis desidua capsulares Next to leave - other parts of uterine wall where the baby is not growing: desidua parietalis - dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts - chorio-allantoic membrane Allantois: very vascularized - here: only most proximal part of allantois is useful that will become the u. bladder -villi of chorion is made up from the _______

allantois

Mammalian Extraembryonic Membranes ______ ________: in chick: corresponds to chorio-allantois - blood vessels very intricate, forming a network - every time the heart beats, cavity is filled up with blood

umbilical vessels

Mammalian Extraembryonic Membranes umbilical vessels: in chick: corresponds to ______ ________ - blood vessels very intricate, forming a network - every time the heart beats, cavity is filled up with blood

chorio-allantois

Mammalian Extraembryonic Membranes umbilical vessels: in chick: corresponds to chorio-allantois - blood vessels very _______, forming a network - every time the heart beats, cavity is filled up with blood

intricate

Mammalian Extraembryonic Membranes umbilical vessels: in chick: corresponds to chorio-allantois - blood vessels very intricate, forming a ______ - every time the heart beats, cavity is filled up with blood

network

Mammalian Extraembryonic Membranes umbilical vessels: in chick: corresponds to chorio-allantois - blood vessels very intricate, forming a network - every time the heart ______, cavity is filled up with blood

beats

Mammalian Extraembryonic Membranes umbilical vessels: in chick: corresponds to chorio-allantois - blood vessels very intricate, forming a network - every time the heart beats, _____ is filled up with blood

cavity

blood

Mammalian Extraembryonic membranes - different types of ______ - maliit na bukol²: chorionic villi - sow: sobrang daming villi - bitch: just around it - represent chorionic blood vessels

placentation

Mammalian Extraembryonic membranes - different types of placentation - maliit na bukol²: _______ ____ - sow: sobrang daming villi - bitch: just around it - represent chorionic blood vessels

chorionic villi

Mammalian Extraembryonic membranes - different types of placentation - maliit na bukol²: chorionic villi - ____ : sobrang daming villi - bitch: just around it - represent chorionic blood vessels

sow

Mammalian Extraembryonic membranes - different types of placentation - maliit na bukol²: chorionic villi - sow: sobrang daming villi - ____ : just around it - represent chorionic blood vessels

bitch

Mammalian Extraembryonic membranes - different types of placentation - maliit na bukol²: chorionic villi - sow: sobrang daming villi - bitch: just around it - represent _______ blood vessels

chorionic

Mammalian Extraembryonic Membranes - represents from across organisms: closeness of the relationship of the contributions from the mother and _____ - gradual increase in closeness - maternal wall of uterus: maternal side - chorionic villi: fetal side

fetus

Mammalian Extraembryonic Membranes - represents from across organisms: closeness of the relationship of the contributions from the mother and fetus - _____ increase in closeness - maternal wall of uterus: maternal side - chorionic villi: fetal side

gradual

Mammalian Extraembryonic Membranes - represents from across organisms: closeness of the relationship of the contributions from the mother and fetus - gradual increase in closeness - maternal wall of _____: maternal side - chorionic villi: fetal side

uterus

fetal side

chorionic villi

Extraembryonic Membranes ___________ - all intact ang epithelium and blood vessels and connective tissues - Baby slips out of maternal uterus - No radical change to mother or baby - No great loss of blood

Epitheliochoral

Extraembryonic Membranes Epitheliochoral - ___ ______ ang epithelium and blood vessels and connective tissues - Baby slips out of maternal uterus - No radical change to mother or baby - No great loss of blood

all intact

Extraembryonic Membranes Epitheliochoral - all intact ang ______ and blood vessels and connective tissues - Baby slips out of maternal uterus - No radical change to mother or baby - No great loss of blood

epithelium

Extraembryonic Membranes Epitheliochoral - all intact ang epithelium and _____ _____ and connective tissues - Baby slips out of maternal uterus - No radical change to mother or baby - No great loss of blood

blood vessels

Extraembryonic Membranes Epitheliochoral - all intact ang epithelium and blood vessels and _______ ____ - Baby slips out of maternal uterus - No radical change to mother or baby - No great loss of blood

connective tissues

Extraembryonic Membranes Epitheliochoral - all intact ang epithelium and blood vessels and connective tissues - Baby slips out of maternal _______ - No radical change to mother or baby - No great loss of blood

uterus

Extraembryonic Membranes Epitheliochoral - all intact ang epithelium and blood vessels and connective tissues - Baby slips out of maternal uterus - No ______ change to mother or baby - No great loss of blood

radical

Extraembryonic Membranes Epitheliochoral - all intact ang epithelium and blood vessels and connective tissues - Baby slips out of maternal uterus - No radical change to mother or baby - No great loss of _____

blood

Extraembryonic Membranes ____________ - Maternal blood vessel still surrounded by connective tissue - But there is a common epithelial lining

endotheliochoral

Extraembryonic Membranes Endotheliochoral - _______ blood vessel still surrounded by connective tissue - But there is a common epithelial lining

maternal

Extraembryonic Membranes Endotheliochoral - Maternal blood vessel still surrounded by _______ _____ - But there is a common epithelial lining

connective tissue

Extraembryonic Membranes Endotheliochoral - Maternal blood vessel still surrounded by connective tissue - But there is a common ________ _____

epithelial lining

Extraembryonic Membranes ________ - Blood vessel wala nang wall at connective tissue - Blood vessel: mas madali makakuha ng nutrients at maka-empty ng wastes

Hemochorial

Extraembryonic Membranes Hemochorial - Blood vessel wala nang ____ at __________ - Blood vessel: mas madali makakuha ng nutrients at maka-empty ng wastes

wall, connective tissue

Extraembryonic Membranes Hemochorial - _____ ______ wala nang wall at connective tissue - Blood vessel: mas madali makakuha ng nutrients at maka-empty ng wastes

blood vessel

Extraembryonic Membranes Hemochorial - Blood vessel wala nang wall at connective tissue - ______ ______: mas madali makakuha ng nutrients at maka-empty ng wastes

blood vessel

Extraembryonic Membranes Hemochorial - Blood vessel wala nang wall at connective tissue - Blood vessel: mas madali makakuha ng _______ at maka-empty ng wastes

nutrients

Extraembryonic Membranes Hemochorial - Blood vessel wala nang wall at connective tissue - Blood vessel: mas madali makakuha ng nutrients at maka-empty ng _______

wastes

Extraembryonic Membranes ________ - Blood vessel na lang ang nagseseparate - Closest

Hemoendothelial

Extraembryonic Membranes Hemoendothelial - ______ _____ na lang ang nagseseparate - Closest

blood vessel

Extraembryonic Membranes Hemoendothelial - Blood vessel na lang ang nagseseparate - ______

closest

Functions of Placenta - ________: provides sustenance to developing embryo - Has angiogenic property: causes the formation of blood vessel supply to where the fetus is growing - Endocrine: provide hormones that enable the uterus to retain the pregnancy and also accelerate mammary gland development - Immunological: block the potential immune response of the mother against the developing fetus. - Recent studies suggest that the placenta uses several mechanisms to block the mother's immune response.

Nutritional

Functions of Placenta - Nutritional: provides sustenance to developing embryo - Has ______ property: causes the formation of blood vessel supply to where the fetus is growing - Endocrine: provide hormones that enable the uterus to retain the pregnancy and also accelerate mammary gland development - Immunological: block the potential immune response of the mother against the developing fetus. - Recent studies suggest that the placenta uses several mechanisms to block the mother's immune response.

angiogenic

Functions of Placenta - Nutritional: provides sustenance to developing embryo - Has angiogenic property: causes the formation of blood vessel supply to where the fetus is growing - _______: provide hormones that enable the uterus to retain the pregnancy and also accelerate mammary gland development - Immunological: block the potential immune response of the mother against the developing fetus. - Recent studies suggest that the placenta uses several mechanisms to block the mother's immune response.

Endocrine

Functions of Placenta - Nutritional: provides sustenance to developing embryo - Has angiogenic property: causes the formation of blood vessel supply to where the fetus is growing - Endocrine: provide hormones that enable the uterus to ______ the pregnancy and also accelerate mammary gland development - Immunological: block the potential immune response of the mother against the developing fetus. - Recent studies suggest that the placenta uses several mechanisms to block the mother's immune response.

retain

Functions of Placenta - Nutritional: provides sustenance to developing embryo - Has angiogenic property: causes the formation of blood vessel supply to where the fetus is growing - Endocrine: provide hormones that enable the uterus to retain the pregnancy and also _______ mammary gland development - Immunological: block the potential immune response of the mother against the developing fetus. - Recent studies suggest that the placenta uses several mechanisms to block the mother's immune response.

accelerate

Functions of Placenta - Nutritional: provides sustenance to developing embryo - Has angiogenic property: causes the formation of blood vessel supply to where the fetus is growing - Endocrine: provide hormones that enable the uterus to retain the pregnancy and also accelerate mammary gland development - ___________ : block the potential immune response of the mother against the developing fetus. - Recent studies suggest that the placenta uses several mechanisms to block the mother's immune response.

Immunological

Functions of Placenta - Nutritional: provides sustenance to developing embryo - Has angiogenic property: causes the formation of blood vessel supply to where the fetus is growing - Endocrine: provide hormones that enable the uterus to retain the pregnancy and also accelerate mammary gland development - Immunological: block the potential immune response of the ______ against the developing fetus. - Recent studies suggest that the placenta uses several mechanisms to block the mother's immune response.

mother

Functions of Placenta - Nutritional: provides sustenance to developing embryo - Has angiogenic property: causes the formation of blood vessel supply to where the fetus is growing - Endocrine: provide hormones that enable the uterus to retain the pregnancy and also accelerate mammary gland development - Immunological: block the potential immune response of the mother against the developing fetus. - Recent studies suggest that the _______ uses several mechanisms to block the mother's immune response.

placenta

Antigenic Properties of the Embryo and the Placenta - On its ______ ____, an embryo exhibits HLA proteins that differ from those of the mother - Fetal tissue and especially that of the placenta (syncytiotrophoblast and cytotrophoblast of the villi) in direct contact to the maternal organism produce no tissue antigens (HLA- A, -B, -C complexes = main complexes of the histocompatibility)

surface cells

Antigenic Properties of the Embryo and the Placenta - On its surface cells, an embryo exhibits ____ ______ that differ from those of the mother - Fetal tissue and especially that of the placenta (syncytiotrophoblast and cytotrophoblast of the villi) in direct contact to the maternal organism produce no tissue antigens (HLA- A, -B, -C complexes = main complexes of the histocompatibility)

HLA proteins

Antigenic Properties of the Embryo and the Placenta - On its surface cells, an embryo exhibits HLA proteins that differ from those of the mother - _____ ______ and especially that of the placenta (syncytiotrophoblast and cytotrophoblast of the villi) in direct contact to the maternal organism produce no tissue antigens (HLA- A, -B, -C complexes = main complexes of the histocompatibility)

Fetal tissue

Antigenic Properties of the Embryo and the Placenta - On its surface cells, an embryo exhibits HLA proteins that differ from those of the mother - Fetal tissue and especially that of the _______ (syncytiotrophoblast and cytotrophoblast of the villi) in direct contact to the maternal organism produce no tissue antigens (HLA- A, -B, -C complexes = main complexes of the histocompatibility)

placenta

Antigenic Properties of the Embryo and the Placenta - On its surface cells, an embryo exhibits HLA proteins that differ from those of the mother - Fetal tissue and especially that of the placenta (________ and _______ of the villi) in direct contact to the maternal organism produce no tissue antigens (HLA- A, -B, -C complexes = main complexes of the histocompatibility)

syncytiotrophoblast, cytotrophoblast

Antigenic Properties of the Embryo and the Placenta - On its surface cells, an embryo exhibits HLA proteins that differ from those of the mother - Fetal tissue and especially that of the placenta (syncytiotrophoblast and cytotrophoblast of the villi) in _____ ______ to the maternal organism produce no tissue antigens (HLA- A, -B, -C complexes = main complexes of the histocompatibility)

direct contact

Antigenic Properties of the Embryo and the Placenta - On its surface cells, an embryo exhibits HLA proteins that differ from those of the mother - Fetal tissue and especially that of the placenta (syncytiotrophoblast and cytotrophoblast of the villi) in direct contact to the _______ organism produce no tissue antigens (HLA- A, -B, -C complexes = main complexes of the histocompatibility)

maternal

Antigenic Properties of the Embryo and the Placenta - On its surface cells, an embryo exhibits HLA proteins that differ from those of the mother - Fetal tissue and especially that of the placenta (syncytiotrophoblast and cytotrophoblast of the villi) in direct contact to the maternal organism produce __ _____ ______ (HLA- A, -B, -C complexes = main complexes of the histocompatibility)

no tissue antigens

Antigenic Properties of the Embryo and the Placenta - On its surface cells, an embryo exhibits HLA proteins that differ from those of the mother - Fetal tissue and especially that of the placenta (syncytiotrophoblast and cytotrophoblast of the villi) in direct contact to the maternal organism produce no tissue antigens (______ ___ ___complexes = main complexes of the histocompatibility)

HLA -A, -B, -C

Antigenic Properties of the Embryo and the Placenta - On its surface cells, an embryo exhibits HLA proteins that differ from those of the mother - Fetal tissue and especially that of the placenta (syncytiotrophoblast and cytotrophoblast of the villi) in direct contact to the maternal organism produce no tissue antigens (HLA- A, -B, -C complexes = main complexes of the __________)

histocompatibility

Antigenic Properties of the Embryo and the Placenta - Nevertheless,_____ antigens, which do not distinguish between individuals, occurs through the extravillous cytothrophoblast. The HLA -G antigen takes over anti-viral and immunosuppressive functions as well as non-immunologic tasks.

HLA -G

Antigenic Properties of the Embryo and the Placenta - Nevertheless, HLA- G antigens, which do not distinguish between individuals, occurs through the ________ cytothrophoblast. The HLA -G antigen takes over anti-viral and immunosuppressive functions as well as non-immunologic tasks.

extravillous

Antigenic Properties of the Embryo and the Placenta - Nevertheless, HLA- G antigens, which do not distinguish between individuals, occurs through the extravillous cytothrophoblast. The HLA -G antigen ______ _____ anti-viral and immunosuppressive functions as well as non-immunologic tasks.

takes over

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - Some _______ hormones (e.g., progesterone) have an immunosuppressive effect on the lymphocytes of the pregnant woman. Progesterone seems to play an important immunosuppressive role that is mediated by the PBIF protein (Progesterone Induced Blocking Factor)

steroid

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - Some steroid hormones (e.g., ________) have an immunosuppressive effect on the lymphocytes of the pregnant woman. Progesterone seems to play an important immunosuppressive role that is mediated by the PBIF protein (Progesterone Induced Blocking Factor)

progesterone

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - Some steroid hormones (e.g., progesterone) have an _____________ _____ on the lymphocytes of the pregnant woman. Progesterone seems to play an important immunosuppressive role that is mediated by the PBIF protein (Progesterone Induced Blocking Factor)

immunosuppressive effect

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - Some steroid hormones (e.g., progesterone) have an immunosuppressive effect on the _________ of the pregnant woman. Progesterone seems to play an important immunosuppressive role that is mediated by the PBIF protein (Progesterone Induced Blocking Factor)

lymphocytes

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - Some steroid hormones (e.g., progesterone) have an immunosuppressive effect on the lymphocytes of the pregnant woman. _________ seems to play an important immunosuppressive role that is mediated by the PBIF protein (Progesterone Induced Blocking Factor)

Progesterone

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - Some steroid hormones (e.g., progesterone) have an immunosuppressive effect on the lymphocytes of the pregnant woman. Progesterone seems to play an important immunosuppressive role that is mediated by the ____ _____ (Progesterone Induced Blocking Factor)

PBIF protein

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - Some steroid hormones (e.g., progesterone) have an immunosuppressive effect on the lymphocytes of the pregnant woman. Progesterone seems to play an important immunosuppressive role that is mediated by the PBIF protein (_____ ______ ______ _____)

Progesterone Induced Blocking Factor

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The _______ ________ control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

cytotoxic T-lymphocytes

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the ____ _______ of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

cell population

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through _______, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

cytolysis

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "____ _____") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

not self

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("___, _____ _______"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

self, but modified

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). _______ cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

trophoblast

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be _______ as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

destroyed

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as ______ ______. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

foreign tissue

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its _____ at a HLA (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

binding

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a ___ (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

HLA

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (_____ ______) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

identity marking

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells __ ___ ______classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

do not produce

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells do not produce ______ ___, they cannot be recognized by the T-lymphocytes as foreign tissue and so escape destruction.

classical HLA

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the _________ as foreign tissue and so escape destruction.

T-lymphocytes

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as ______ tissue and so escape destruction.

foreign

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The cytotoxic T-lymphocytes control the cell population of the organism and, through cytolysis, destroy foreign cells (foreign to the body, "not self") or those cells of the organism that present a foreign antigen ("self, but modified"). Trophoblast cells would therefore have to be destroyed as foreign tissue. Since the recognition of an antigen presupposes its binding at a HLA (identity marking) protein and since trophoblast cells do not produce classical HLA, they cannot be recognized by the T-lymphocytes as foreign tissue and so _____ destruction.

escape

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The ____ (Natural Killer, non-B-non-T-lymphocytes) attack cells that do not possess clasical HLA markers, e.g., trophoblast cells. NK cells, though, are outfitted with a system that detects the HLA-G marker on trophoblast cells, inhibiting their cytolytic activity. The fetus is thus protected from the maternal immune defense system.

NK cells

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The NK cells (_____ ______, non-B-non-T-lymphocytes) attack cells that do not possess clasical HLA markers, e.g., trophoblast cells. NK cells, though, are outfitted with a system that detects the HLA-G marker on trophoblast cells, inhibiting their cytolytic activity. The fetus is thus protected from the maternal immune defense system.

Natural Killer

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The NK cells (Natural Killer, __ __ ___ ___ ________) attack cells that do not possess clasical HLA markers, e.g., trophoblast cells. NK cells, though, are outfitted with a system that detects the HLA-G marker on trophoblast cells, inhibiting their cytolytic activity. The fetus is thus protected from the maternal immune defense system.

non-B-non-T-lymphocytes

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The NK cells (Natural Killer, non-B-non-T-lymphocytes) ____ cells that do not possess clasical HLA markers, e.g., trophoblast cells. NK cells, though, are outfitted with a system that detects the HLA-G marker on trophoblast cells, inhibiting their cytolytic activity. The fetus is thus protected from the maternal immune defense system.

attack

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The NK cells (Natural Killer, non-B-non-T-lymphocytes) attack cells that __ ___ ____ clasical HLA markers, e.g., trophoblast cells. NK cells, though, are outfitted with a system that detects the HLA-G marker on trophoblast cells, inhibiting their cytolytic activity. The fetus is thus protected from the maternal immune defense system.

do not possess

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The NK cells (Natural Killer, non-B-non-T-lymphocytes) attack cells that do not possess _____ ______ markers, e.g., trophoblast cells. NK cells, though, are outfitted with a system that detects the HLA-G marker on trophoblast cells, inhibiting their cytolytic activity. The fetus is thus protected from the maternal immune defense system.

classical HLA

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The NK cells (Natural Killer, non-B-non-T-lymphocytes) attack cells that do not possess clasical HLA markers, e.g., _______ cells. NK cells, though, are outfitted with a system that detects the HLA-G marker on trophoblast cells, inhibiting their cytolytic activity. The fetus is thus protected from the maternal immune defense system.

trophoblast

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The NK cells (Natural Killer, non-B-non-T-lymphocytes) attack cells that do not possess clasical HLA markers, e.g., trophoblast cells. NK cells, though, are outfitted with a system that detects the _____ marker on trophoblast cells, inhibiting their cytolytic activity. The fetus is thus protected from the maternal immune defense system.

HLA-G

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The NK cells (Natural Killer, non-B-non-T-lymphocytes) attack cells that do not possess clasical HLA markers, e.g., trophoblast cells. NK cells, though, are outfitted with a system that detects the HLA-G marker on trophoblast cells, ______ their cytolytic activity. The fetus is thus protected from the maternal immune defense system.

inhibiting

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The NK cells (Natural Killer, non-B-non-T-lymphocytes) attack cells that do not possess clasical HLA markers, e.g., trophoblast cells. NK cells, though, are outfitted with a system that detects the HLA-G marker on trophoblast cells, inhibiting their _______ activity. The fetus is thus protected from the maternal immune defense system.

cytolytic

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The NK cells (Natural Killer, non-B-non-T-lymphocytes) attack cells that do not possess clasical HLA markers, e.g., trophoblast cells. NK cells, though, are outfitted with a system that detects the HLA-G marker on trophoblast cells, inhibiting their cytolytic activity. The _____ is thus protected from the maternal immune defense system.

fetus

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The NK cells (Natural Killer, non-B-non-T-lymphocytes) attack cells that do not possess clasical HLA markers, e.g., trophoblast cells. NK cells, though, are outfitted with a system that detects the HLA-G marker on trophoblast cells, inhibiting their cytolytic activity. The fetus is thus _______ from the maternal immune defense system.

protected

Antigenic properties of the Embryo and the Placenta - placenta blocks cytotoxic maternal cell effects by secreting various factors: - The NK cells (Natural Killer, non-B-non-T-lymphocytes) attack cells that do not possess clasical HLA markers, e.g., trophoblast cells. NK cells, though, are outfitted with a system that detects the HLA-G marker on trophoblast cells, inhibiting their cytolytic activity. The fetus is thus protected from the _______ immune defense system.

maternal

The Extraembryonic membranes Flashcards

(170 cards)