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Repro Phys > Quiz 6 > Flashcards

Quiz 6 Flashcards

1
Q

Allantochorion

A

A placental membrane formed by fusion of the allantois and chorion. When the chorion becomes vascularized by the allantois then this compound layer is designated allantochorion or chorioallantoic membrane

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2
Q

Allantois

A

At extraembryonic membrane formed from the embryo; it fuses to the chorion and serves as a receptacle for fetal urine

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3
Q

Amnion

A

A thin membrane which forms a closed sac around the embryo. It contains the amniotic fluid in which the embryo is immersed

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4
Q

Caruncle

A

Maternal sites for attachment of the fetal cotyledons form half of a placentome

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5
Q

Colostrum

A

The fluid usually only secreted by the mammary gland shortly after parturition and is important for passive immunity of the neonate

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6
Q

Endometritis

A

Inflammation of the uterine mucous membrane

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7
Q

Eutherian mammal

A

Mammals that develop a placenta

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8
Q

Involution

A

The return of a tissue to its normal size

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9
Q

Lactational anestrus

A

Lack of estrous or menstral cycles due to suckling or the presence of young

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10
Q

Metritis

A

Inflammation of the uterus

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11
Q

Multiparous

A

A mammal which has had two or more pregnancies that resulted in viable offspring

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12
Q

Neonatal

A

Pertaining to the first few weeks after birth

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13
Q

Nulliparous

A

Having never given birth to viable young

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14
Q

Parity

A

The condition of a female mammal with regard to her having borne young

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15
Q

Parturition

A

The act or process of giving birth to young

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16
Q

Peristalisis

A

A wave of contraction passing a long certain tubular organs that possess longitudinal and circular muscle layer

17
Q

Placentome

A

Made of a caruncle and cotyledon location of nutrient/gas/waste exchange between fetus and dam

18
Q

Primiparous

A

Bearing or having borne only one young or set of young

19
Q

Pueperium

A

The period from paturition to the resumption of normal estrous cycles

20
Q

Seasonal anestrus

A

The period of anestrus that is induced by long (sheep) or short (horses) photoperiod

21
Q

Pyometra

A

An accumulation of pus w/in the uterus

22
Q

Vomeronasal organ

A

An olfactory organ that is believed to be associated w/ detection of pheromones

23
Q

What develops after fertilization then fuse together

A

The male and female pronuclei

24
Q

What part of the blastocyte forms the embryo

A

The inner cell mass

25
Q

What part of the blastocyst forms the placenta

A

The trophoblast

26
Q

When can you call an early embryo a zygote

A

After the male and female pronuclei fuse together

27
Q

What is a luteotrophic signal

A

Something that supports the CL

28
Q

What is an antiluteolytic signal

A

Something that prevents PGF2 alpha from affecting the CL

29
Q

What are the three maternal recognition factors of mice and rats

A

Spines in the rat penis, placental lactogen 1, and placental lactogen 2

30
Q

What is the luteotropic effect

A

The production of prolactin hormone that is stimulated by the spines in the penis of rat and mice

31
Q

What is the recognition of pregnancy in humans

A

hCG production

32
Q

How is PGF2 alpha transported to the ovary

A

It is transported by the uterine vein that spirals around the ovary artery absorbing the PGF2 alpha

33
Q

What happens to PGF2alpha when a sow is pregnant

A

It gets redirected to the lumen keeping it from moving to the ovary

34
Q

How long is the CL required to be present on the ovary during pregnancy

A

The first 60 days then the placental supplies the progesterone

35
Q

How many phases of estrogen release occur in pigs

A

Two

36
Q

What species requires the CL to be presence on the ovary throughout the pregnancy

A

Pigs

37
Q

What prevents PGF2alpha production in the sheep

A

Having an embryo in the uterus

38
Q

What is the role of interferon tau

A

Blocks up regulation of estrogen receptor in uterine epithelium leading to no oxytocin receptor increase

39
Q

What secretes interferone tau

A

The fetus

Repro Phys (10 decks)

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