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Intro to Animal Science > Female Reproduction > Flashcards

Female Reproduction Flashcards

1
Q

Estrus

A

period of receptivity of the female to be bred by the male

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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

Estrous cycle

A

all physiological events that occur from one ovulation to the next

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5
Q

Oviposition

A

the process of laying an egg

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6
Q

Gestation

A

pregnancy and development of the fetus

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7
Q

Incubation

A

development of the fetus outside the body

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8
Q

Parturition

A

the birth process

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9
Q

Which animals have a duplex cervical structure?

A

rabbits and marsupials

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10
Q

Ovum

A

egg

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11
Q

What is the defining characteristic of a bicornuate uterus?

A

poor to moderately developed uterine horns

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12
Q

Which animals with a bicornuate uterus have highly developed uterine horns?

A

bitches, queens, and sows

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13
Q

What animal has a simplex uterine system?

A

primate

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14
Q

The more cervices and development in uterine horns indicates…

A

an animal’s ability to produce multiple offspring

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15
Q

Where is the egg shell developed in an avian reproductive tract?

A

isthmus

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16
Q

What are the functions of the oviduct?

A

site of fertilization, transport for the egg, nutrition for developing zygote

17
Q

What are the functions of the uterus?

A

transport of fetus, nutrition, site of gestation, endocrine

18
Q

What is the purpose of the cervix?

A

a physical barrier to protect the uterus

19
Q

What is the purpose of the vagina?

A

semen deposition

20
Q

What does the placenta do?

A

nourish the developing embryo

21
Q

What are the functions of placenta?

A

exchange of nutrients/waste, exchange of O2 & CO2, hydraulic dampener

22
Q

What is the purpose of the placenta during parturition?

A

cervical dilation and lubrication

23
Q

What type of placental attachment do horses and pigs have?

A

diffuse

24
Q

What characterizes a zonary placenta?

A

a tissue bag surrounding the fetus

25
Q

What attaches to the embryo in a cotyledonary placenta?

A

caruncles

26
Q

What is the endometrium?

A

internal lining of the uterus

27
Q

Placental abruption

A

a blocking of placenta that will result in death of a fetus

28
Q

What is the first stage of the parturition process?

A

myometrical contractions/cervical dilation

29
Q

What is the second stage of the parturition process?

A

fetal expulsion

30
Q

What is the third stage of the parturition process?

A

fetal membrane expulsion

31
Q

Dystocia

A

difficulty in giving birth

32
Q

What are causes of dystocia?

A

birth weight, size & condition of dam, malrepresentation

33
Q

What animal has a discoid placenta?

A

primates

34
Q

What distinguishes a diffuse placenta?

A

scattered villi

35
Q

In an avian reproductive system, which ovary is underdeveloped?

A

right

Intro to Animal Science (2 decks)

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