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Anatomy & Physiology > Reproductive > Flashcards

Flashcards in Reproductive Deck (33):
1

The total number of chromosomes in the nucleus of each cell is called?

Diploid chromosome number.

2

Flat, ribbon like structure that lies along the surface of the testis

Epididymis

3

What is a uniparous species?

A species that typically only gives birth to one offspring at a time.

4

What is the process by which ova are produced in follicles in the ovaries called?

Oogenesis

5

What are the stages of the estrous cycle?

Proestrus Estrus Metestrus Diestrus Anestrus ( occurs in some animals between breeding seasons )

6

What is pseudopregnancy?

False pregnancy

7

What 2 erectile tissue structures make up the body of the penis?

Corpus cavernosum urethrae and corpus caernosum penis

8

An increase in what hormone causes ovulation to occur?

Luteinizing hormone

9

Where does spermatogenesis occur?

Seminiferous Tubules

10

Difference between spermatogenesis and oogenesis

spermatogenesis: spermatozoa is produced continously and in very large numbers

oogenesis: not produced continuosly and there is a fixed number of oocytes

 

11

Main functions of the testes

spermatogenesis and hormone production

12

What are oviducts also known as?

fallopian tubes and uterine tubes

13

What is the gestation range for canines?

59-68 days approximately 2 months

14

what are the three stages of labor?

1. uterine contractions

2. delivery of the newborn

3. delivery of the placenta

15

What are progestins produced by?

Corpus luteum

16

What is the gestation period of cats?

56-69 days

17

What are the milk secreting units of the mammory gland?

alveoli

18

What is it called when the uterus goes back to it's non pregnant size?

involution

19

What is dystocia?

Difficult birth

20

What does colostrum contain?

Antibodies, proteins, and vitamins.

21

What is parturition?

The act of giving birth.

22

What hormones control the estrus cycle?

LH and FSH.

23

The corpus leteum developes during which phase?

Metestrus.

24

T or F  Sertoli cell is also called a nurse cell?

True.

25

true or false

all male dogs have a bulbourethral gland

false

26

when one or both testes do not descend into the scrotum

cryptorchidism

27

true or false

 only dogs have an os penis

false

28

What is the prepuce?

The sheath of skin that encloses the penis when it is not erect.

29

T or F Uterine hornes are also known as falopian tubes?

False

30

What is the colostrums most important role?

providing the newborn with passive immunity.

31

Gametes unite to become this

Zygote

32

What is the birth process called?

Parturition

33

What is infection of the mammary gland?

Mastitis