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ANS > Female Reproduction > Flashcards

Female Reproduction Flashcards

1
Q

estrus

A

period of receptivity of the female to be bred by the male (heat)

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2
Q

ovulation

A

the release of an ovum from a follicle

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3
Q

follicle

A

structure on the ovary that contains the ovum

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4
Q

ovum

A

egg

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5
Q

estrus cycle

A

all physiological events that occur from one ovulation to another

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6
Q

T/F the estrus cycle is the same thing as the menstrual cycle

A

False

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7
Q

oviposition

A

process of laying an egg

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8
Q

gestation

A

pregnancy/development of a fetus

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9
Q

incubation

A

development of the fetus OUTSIDE the body

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10
Q

parturition

A

birth process

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11
Q

E2

A

estrogen

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12
Q

P4

A

progesterone

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13
Q

progesterone is the what hormone?

A

pregnancy

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14
Q

when does ovulation happen?

A

right after estrus, right before metestrus

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15
Q

follicle maturation happens when?

A

during proestrus

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16
Q

P4 is at its peak when?

A

during diestrus

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17
Q

E2 is at its peak when?

A

ovulation

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18
Q

exocrine

A

ovum production

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19
Q

endocrine

A

produces follicle and corpus luteum

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20
Q

follicle

A

follicular cells, theca interna

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21
Q

follicular cells

A

E2, “hormone of estrus”

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22
Q

theca interna

A

T, testosterone

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23
Q

corpus luteum

A

P4, progesterone, “hormone of pregnancy”

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24
Q

what is in charge of estrogen?

A

follicle

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25
Q

what is in charge of progesterone?

A

corpus luteum

26
Q

corpus albicans

A

“scar tissue”

27
Q

oviduct

A

transports, site of fertilization, nutrition

28
Q

uterus

A

transports, nutrition, site of gestation, endocrine

29
Q

bicornuate

A

2 horns (all domestic animals)

30
Q

cervix

A

physical barrier to protect uterus

31
Q

vagina

A

semen deposition

32
Q

trophoblast

A

layer of tissue supplying the embryo with nutrients

33
Q

order of cell division steps?

A

zygote, embryo, 2-celled, 4-celled, 8-celled, morula, blastocyst

34
Q

what attaches to the uterine wall?

A

blastocyst

35
Q

what will eventually become the placenta?

A

blastocoele

36
Q

placenta

A

exchange of nutrients/waste, exchange of oxygen and carbon dioxide, hydraulic dampener

37
Q

what is the function of the hydraulic dampener?

A

cushions the fetus

38
Q

parturition

A

birthing process, cervical dilation, lubrication

39
Q

four types of placental attachments?

A

diffuse, zonary, cotyledonary, discoid

40
Q

what animals have a diffuse placenta?

A

horses and pigs

41
Q

what animals have a zonary placenta?

A

cats and dogs

42
Q

what animals have a cotyledonary placenta?

A

cattle, sheep, goats (ruminants)

43
Q

what animals have a discoid placenta?

A

humans, primates, rabbits

44
Q

which placenta is limited to a “zone” or a “middle band”

A

zonary

45
Q

which placenta is more of a rounded area?

A

discoid

46
Q

placentome

A

cotyledon and caruncle

47
Q

cotyledon

A

placenta

48
Q

caruncle

A

uterine wall

49
Q

T/F for litter-bearing animals, all placentas are separate from one another

A

true

50
Q

what is step one in the parturition process?

A

contractions/cervical dilation

51
Q

what is step two in the parturition process?

A

fetus expulsion

52
Q

what is step three in the parturition process?

A

fetal membrane expulsion

53
Q

dystocia

A

fetus has problems or the cervix is not well dilated

54
Q

T/F Avian reproductive tracts has a larger modified oviduct

A

true

55
Q

which ovary is the only one that develops in a chicken?

A

left

56
Q

what is part one of the oviduct in a chicken?

A

infundibulum

57
Q

what is part two of the oviduct in a chicken?

A

magnum

58
Q

what is part three of the oviduct in a chicken?

A

isthmus and uterus

59
Q

what does the infundibulum produce?

A

albumin (white)

60
Q

what does the magnum produce?

A

membranes

61
Q

what do the isthmus and uterus produce?

A

shell

62
Q

T/F chickens have placentas

A

false

ANS (13 decks)

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