Lab 8 - Female Reproduction

Question 1

what does the broad ligament do

Answer 1

suspends the reproductive system

Question 2

what does the vagina do

Answer 2

receives the penis during copulation
passageway during parturition

Question 3

what does the cervix do

Answer 3

controls access to and from uterus

Question 4

what is the uterus the site of

Answer 4

implantation and placentation

Question 5

what does the uterus do

Answer 5

contain fetus during pregnancy
expel fetus during parturition

Question 6

3 structures of the uterus

Answer 6

perimetrium
myometrium
endometrium

Question 7

what is the perimetrium

Answer 7

connective tissue layer of uterus

Question 8

what is the myometrium

Answer 8

the muscular layer of uterus

Question 9

what is the endometrium

Answer 9

epithelial layer (lining) of uterus

Question 10

what is the placenta

Answer 10

fetomaternal organ

Question 11

what is the fetal part of the placenta derived from

Answer 11

the chorionic sac

Question 12

what is the maternal part of the placenta derived from

Answer 12

the endometrium

Question 13

what are the functions of the placenta

Answer 13

protection
nutrition
respiration
excretion
hormone production

Question 14

what do the placenta and umbilical cord make up

Answer 14

transport system for substances between mother and fetus

Question 15

what do ruminants contain

Answer 15

placentome

Question 16

what is the placentome

Answer 16

caruncle and cotyledon

Question 17

what is the caruncle

Answer 17

maternal side of the placenta

Question 18

what is the cotyledon

Answer 18

the fetal side of the placenta

Question 19

what is the oviduct the site of

Answer 19

fertilization

Question 20

what does the oviduct do

Answer 20

transports oocyte to the uterus

Question 21

where is the site of fertilization

Answer 21

the ampullary-isthmus junction

Question 22

how lung does fertilization take

Answer 22

15-18 hours

Question 23

what captures the oocyte

Answer 23

ciliated epithelium

Question 24

what happens in the ovary

Answer 24

oocyte maturation and folliculogensis

Question 25

what are ovaries the source of

Answer 25

sex steroids

Question 26

in males, where does the blood supply come from

Answer 26

periphery - tunic albuginea

Question 27

in females, where does the blood supply come from

Answer 27

the inside (medulla)

Question 28

where does spermatogenesis occur in males

Answer 28

on the inside (seminiferous tubules)

Question 29

where does folliculogenesis occur in females

Answer 29

on the periphery (cortex)

Question 30

what is unique about horse ovaries

Answer 30

they are inside out

Question 31

how are primordial follicles organized

Answer 31

in clusters (cysts)

Question 32

what are primordial follicles surrounded by

Answer 32

squamous granuloma cells

Question 33

do primordial follicles proliferate

Answer 33

no

Question 34

characteristics of primary follicles

Answer 34

cysts break down oocytes are surrounded by layer of cuboidal granulose cells formation of the zona pelucida irreversible

Question 35

where is the zona pelucida formed

Answer 35

primary follicles

Question 36

characteristics of secondary follicles

Answer 36

granulosa cell proliferation formation of theca layers (interna and externa) blood vessels develop in the theca

Question 37

where are theca layers formulated

Answer 37

secondary follicles

Question 38

what happens in tertiary (developing antral) follicles

Answer 38

formulation of the antrum granulosa and theca cells multiply

Question 39

what is the antrum

Answer 39

a fluid filled cavity

Question 40

characteristics of the theca externa

Answer 40

muscular innervated

Question 41

what does theca interna produce

Answer 41

androgens under the control of LH

Question 42

what do granulosa cells do

Answer 42

convert androgens to E2

Question 43

what do preovulatoru (dominant/antral/Graafian) follicles do

Answer 43

preparation for ovulation

Question 44

how long does ovulation take

Answer 44

less than 2 minutes

Question 45

what is the corpus hemorrhagicum

Answer 45

temporary structure formed immediately after ovulation filled with blood that quickly clots

Question 46

what does corpus luteum

Answer 46

high levels of progesterone

Question 47

what happens when fertilization occurs

Answer 47

progesterone secretion continues to maintain the thick endometrium

Question 48

what happens when fertilization does not occur

Answer 48

secretion of progesterone stops --> corpus albicans