Repro Physiology Final

Front 1

Which species are sustained copulators?

Back 1

Boar, dog, camelids

Front 2

Which species is an intermediate copulator?

Back 2

stallion

Front 3

Sexually dimorphic center is larger in the male or female?

Back 3

male

Front 4

Castration of males will _______ sexual behavior

Back 4

reduce

Front 5

Which hormone promotes reproductive behavior in both males and females?

Back 5

estradiol

Front 6

4 primary sensory inputs for reproductive behavior

Back 6

vision, olfaction, audition, tactility

Front 7

What is the final stimulation before copulation?

Back 7

tactile

Front 8

Two chemical sexual attractants produced by boars

Back 8

preputial pouch secretion, pheromonal-like substance in the saliva

Front 9

Animals that use auditory stimuli

Back 9

elk, cat, sows, cows

Front 10

Are auditory signals better for close or long range?

Back 10

long

Front 11

Increased pressure from the engorged cavernous sinusoids causes

Back 11

compression of the venules through which blood exits the penis

Front 12

The successful entrance of the penis into the vagina

Back 12

intromission

Front 13

Difference between exhaustion and satiation

Back 13

exhaustion is the condition whereby no further sexual behavior can be induced even with sufficient stimuli, satiation is when further stimuli will not cause immediate responsiveness

Front 14

Cervix can "weed out"

Back 14

non-motile, abnormal sperm

Front 15

Which animals ejaculate into the cranial vagina?

Back 15

Cow, sheep, rabbit, dog, cat

Front 16

Which animal ejaculates into the cervix?

Back 16

pig

Front 17

Which animal ejaculates past the cervix?

Back 17

stallion

Front 18

In the uterus, initiation of _________, continued ________

Back 18

capacitated, transport

Front 19

Sperm must reside in the female tract for a period of time before they acquire maximum ________

Back 19

fertility

Front 20

Binding to ___triggers the acrosome reaction

Back 20

ZP2

Front 21

Acrosome reaction exposes the ______ ______ so that it can later fuse with the vitelline membrane

Back 21

equatorial segment

Front 22

Fertilization requires fusion of the _____ _____ and the ______ ______ membrane

Back 22

equatorial segment, oocyte plasma

Front 23

The fusion of the oocyte plasma membrane with the equatorial segment is believed to be brought about by a ______ _______

Back 23

fusion protein

Front 24

The sperm protein is called ______

Back 24

Izumo 1

Front 25

The oocyte protein is called _______

Back 25

juno

Front 26

The binding of sperm to vitelline membrane stimulates resumption of the _______ ______ ______

Back 26

2nd meiotic division

Front 27

In a zona block the zona pellucida undergoes biochemical changes so that

Back 27

further sperm can not penetrate it

Front 28

The diploid cell that results from fusion of the male and female pronuclei

Back 28

Zygote

Front 29

Organism in an early stage of prenatal development. This stage begins with a zygotes and end when the individual takes on a form that makes it recognizable as a member of its species

Back 29

Embryo

Front 30

The products of conception which include embryonic and extra embryonic development

Back 30

Conceptus

Front 31

Organism in a later stage of prenatal development. This stage begins when the individual takes on a form that makes it recognizable as a member of its species

Back 31

Fetus

Front 32

Chronic gonadotropin actions are similar to

Back 32

LH

Front 33

In primates CG --> ___ progesterone

Back 33

up

Front 34

In primates CG --> ___ estrogen

Back 34

up

Front 35

CG "_________" corpus luteum

Back 35

rescues

Front 36

Embryo is in the horn ______ to the CL

Back 36

adjacent

Front 37

INT-f is secreted from the ______ of the cow and ewe

Back 37

blastocyte

Front 38

INT-f blocks _____ receptors and ultimately prevents release of ______

Back 38

oxytocin, prostaglandin

Front 39

The conceptus in the sow produces _______

Back 39

estradiol

Front 40

In sows prostaglandin is produced in ______ quantities, but is rerouted to the _____ _____

Back 40

Significant, uterine lumen

Front 41

The pig has a _______ placenta

Back 41

diffuse

Front 42

Diffuse placenta have uniform distribution of chorionic ______

Back 42

villi

Front 43

Difference between mare and sow diffuse placenta is that

Back 43

mares have "pockets" of villi instead of even distribution

Front 44

What kind of placenta do dogs and cats have?

Back 44

zonary

Front 45

What is the difference in zonary placentas?

Back 45

They have a band-like zone of villi

Front 46

What kind of placenta do rodents and primates have?

Back 46

discoid

Front 47

What kind of placenta do ruminants have?

Back 47

cotyledonary

Front 48

Name for the fused cotyledon-caruncle

Back 48

Placentome

Front 49

Epitheliochorial is how many layers?
Found in which animals?

Back 49

6, sow, mare, cow, sheep

Front 50

Which type of animal has a sydesmochorial placenta?

Back 50

cow

Front 51

Epithelio stands for
And chorial stands for

Back 51

maternal side, fetal side

Front 52

Endotheliochorial placenta is how many layers?

Back 52

4

Front 53

Which animals have endotheliochorial placenta

Back 53

dog, cat

Front 54

Which animals have hemochorial placenta?

Back 54

human, monkey, rat, mouse

Front 55

The placenta in the mare produces what hormone?

Back 55

eCG

Front 56

What is ACTH

Back 56

adrenal corticotropin

Front 57

What is the source of ACTH

Back 57

fetal pituitary

Front 58

What is the target tissue of ACTH

Back 58

endocrine system of the mother

Front 59

What is the effect of ACTH

Back 59

begins the cascade of events that lead to birth

Front 60

What is the role of prostaglandin during paturation?

Back 60

Placenta synthesizes to abolish progesterone block, begins contractions of the myometrium

Front 61

Role of estrogen during paturation?

Back 61

Progesterone is converted into estrogen from fetal enzymes, causing CL of pregnancy to regress