Reproductive

Question 1

Word that refers to sex glands

Answer 1

Gonad

Question 2

Male and female gonads

Answer 2

Testes and ovaries

Question 3

2 functions of testes

Answer 3

Make testosterone

Make/store sperm

Question 4

Temperature in scrotum is how much lower than body temp

Answer 4

4-7 degrees cooler

Question 5

If too cool the scrotum shrinks up and pulls testicle up into body. What muscle does this

Answer 5

Cremaster muscle

Question 6

In the embryo the gonads are located where

Answer 6

Near the kidneys

Question 7

Testes pass thro the abdominal wall thro this

Answer 7

Inguinal ring/ canal

Question 8

If the inguinal ring/ canal remains large intestine can slip out causing

Answer 8

A hernia

Question 9

Unilateral cryporchidism and bilateral, which is fertile and sterile

Answer 9

Uni- fertile

Bi- sterile

Question 10

Which animals testicles hang low (long axis vertical)

Answer 10

Bull and ram

Question 11

Which animals testicles are held tightly in scrotum (don’t hang)

Answer 11

Pigs and cats

Question 12

Mass of tubules in testicle, site of sperm production

Answer 12

Seminiferous tubules

Question 13

Sperm gathers in various ducts in the

Where they are stored, concentrated, matured

Answer 13

Epididymus

Question 14

Epididymus leads to the ______ which empties into the urethra

Answer 14

Ductus deferents (vas deferens)

Question 15

Testicular vein

Answer 15

Pampiniform plexus

Question 16

Semen is a combination of

Answer 16

Sperm and fluid

Question 17

Purpose of fluid in semen

Answer 17

Act as transport medium
Provides nutrition
Buffer against acidity of vagina

Question 18

Why vaginas are acidic

Answer 18

Inhibit bacterial growth

Question 19

3 main accessory sex gland

Answer 19

Seminal vesicles
Prostate
Bulbuorethral (cowpers)

Question 20

Dogs only have what accessory sex gland

Answer 20

Prostate

Question 21

The urethra is totally encircled by

Answer 21

The prostate

Question 22

Cancer, infection, or benign hypertrophy of prostate can make this difficult

Answer 22

Urination

Question 23

Animals that have a sigmoid flexure that they use to become erect

Answer 23

Bulls, pigs, rams

Question 24

Goats have a small portion of the urethra that extends past the end of the glans penis. This is called the

Answer 24

Urethral process

Question 25

This is important in locking procedure in dogs

Answer 25

Bulb of glans

Question 26

Animals w an os penis

Answer 26

Dog, raccoon, mink, beaver

Question 27

Animal w spines on penis that stimulate female

Answer 27

Cats

Question 28

Eggs are found in what layer of the ovaries (vortex or medulla)

Answer 28

Cortex

Question 29

When female egg maturation and release stops

Answer 29

Menopause

Question 30

Cells of follicles make

Answer 30

Estrogen and fluid

Question 31

Lining of uterus is called the

Answer 31

Endometrium

Question 32

What animals have a cotyledonary placenta

Answer 32

Ruminants

Question 33

In a cotyledonary placenta; name projections from uterine wall and their attachment sites

Answer 33

Caruncles, attach to projections from chorion called cotyledons

Question 34

Dogs and acts have what kind of placenta

Answer 34

Zonary

Question 35

Primates and rodents have what kind of placenta

Answer 35

Discoidal

Question 36

This acts as a sphincter to separate uterus from vagina

Answer 36

Cervix

Question 37

External opening of vagina

Answer 37

Vulva

Question 38

At puberty, the cells of the gonads start to to divide. These cells are called

Answer 38

Spermatogonia and oogonia

Question 39

____ duplicates DNA | _____ cuts the number of DNA in half

Answer 39

Mitosis | Meiosis

Question 40

Sex is determined by mom or dad?

Answer 40

Dad (Bc can give x or y)

Question 41

How long it takes for sperm to be made in seminiferous tubules and mature in the epididymus

Answer 41

1-2 mon

Question 42

Where the energy source (mitochondria) is located on the sperm

Answer 42

Neck

Question 43

Where the nucleus and chromosomes are located on sperm

Answer 43

The head