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Flashcards in Reproduction Deck (116)
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1

house developing embryo/fetus during pregnancy

uterus

2

house the oocytes; suspended in the anterior portion of the reproductive tract

ovaries

3

A female is born with a pool of immature __________ already contained in follicles on the ovaries.

oocytes

4

During each estrous cycle, a small portion of the follicles responds to hormones released from the brain and begins to remodel the ovary and grow. These follicles eventually burst and the oocyte, the fluid surrounding the ovum within the follicle and other cells, are released into the oviduct.

ovulation

5

Once ovulated, the follicle area fills with a blood clot to "recover" from ovulation, creating this structure.

Corpus Hemmorhagicum (CH)

6

Does not secrete hormones and restricts itself into the Corpus Luteum (CL)

CH

7

progesterone production, which will maintain pregnancy or regress due to a lack of viable embryo in the uterus or parturition

Corpus Luteum (CL)

8

scar tissue developed after the regression of a CL

Corpus Albicans (CA)

9

suspended in the abdominal cavity and consists of the uterine body and two horns

Uterus

10

True or False: in many pregnancies, the embryo develops in the horns of the uterus, not the uterine body

True

11

Tubule structure at the tip of each uterine horn. Where fertilization actually occurs. Three distinct segments: the infundibulum, ampulla, and the isthmus.

oviduct

12

funnel-shaped terminal end of the oviduct

infundibulum

13

narrow portion of the oviduct that attaches to the uterine horn

isthmus

14

Specific site of fertilization

ampullary-isthmic junction of the oviduct

15

cartilaginous structure between the uterine body and the vagina; filled with a mucous plug to assist in blocking bacteria, debris and other contaminants out of the uterus

cervix

16

copulatory organ; connects external genitalia with the cervix

vagina

17

the series of intricately connected events that control the development and release of the oocyte from the ovary, leading to estrus and possible fertilization

estrous cycle

18

age, health ,body condition, breed, genetics, management

reproduction factors

19

released from the hypothalamus, acts on pituitary to release both follicle stimulating hormone (FSH) and luteinzing hormone (LH)

Gonadotropic Releasing Hormone (GnRH)

20

acts on the ovary to remodel and grow receptive follicles , where follicles will produce estrogen, creating a positive feedback loop. In male is responsible for spermatogenesis

Follicle Stimulating Hormone (FSH)

21

causes ovulation and subsequent development of the corpus luteum (CL). In the male, it is responsible for testosterone production and maturation of spermatozoa

Luteinzing Hormone (LH)

22

released from the developing follicle, involved in positive feedback loop and is responsible for the maturation of the female reproductive tract as well as estrus behavior (standing heat)

Estrogen

23

secreted by mature follicles, reduces FSH production and slows follicular growth; negative feedback

Inhibin

24

secreted by the corpus luteum (CL) after ovulation, maintains pregnancy and provides negative feedback to the brain to prevent follicular development during pregnancy

Progesterone

25

secreted by the non-pregnant uterus, regresses CL when no viable embryo is present

Prostaglandin

26

responsible for milk let down during lactation and uterine contractions during parturition and mating

Oxytocin

27

Where are sperm cells manufactured?

testes

28

Production of spermatozoa which occurs in the seminiferous tubules of the testes

Spermatogenesis

29

Spermatozoa are transported into the rete testis and then out of the testes via the

epididymis

30

Where is testosterone produced?

testes