Reproductive: Male System

Question 1

What are the male gonads?

Answer 1

Testes

Question 2

Where are the male reproductive cells formed?

Answer 2

Testes

Question 3

What is spermatogenesis?

Answer 3

Spermatozoa are produced in seminiferous tubules of the testes

Question 4

What are the 3 main parts of spermatozoa?

Answer 4

Head (covered by caplike acrosome)
Midpiece
Tail

Question 5

Where does development of the testes start?

Answer 5

In abdomen near kidneys before birth

Question 6

What do testes past through to get to scrotum

Answer 6

Inguinal rings

Question 7

Band of connective tissue that attaches testes to scrotum

Answer 7

Gubernaculum
(pulls testes into scrotal sac)

Question 8

Sac of skin that houses the testes

Answer 8

Scrotum

Question 9

The scrotum helps regulate __________ of testes

Answer 9

Temperature

Question 10

True or False: The testes can be any temperature

Answer 10

False - must be kept cooler than body temperature

Question 11

Muscle that adjusts position of testes depending on temperature; passes down through inguinal ring and attaches to scrotum

Answer 11

Cremaster muscle

Question 12

What are spermatic cords?

Answer 12

Tube-like, connective tissue structures that link the testes with the rest of the body

Question 13

What is contained in the spermatic cords?

Answer 13

Blood vessels,
Nerves,
Lymphatic vessels,
Vas Deferens

Question 14

Area in the spermatic cord that helps control blood temperature (heat-exchange mechanism)

Answer 14

Pampiniform plexus

Question 15

How many tunic’s (layers) surround the testes and spermatic cord?

Answer 15

2 layers
Visceral vaginal tunic/proper vaginal tunic
Parietal vaginal tunic/common vaginal tunic

Question 16

What procedure are the tunics significant for?

Answer 16

During an orchiectomy

Question 17

What structure lies beneath the tunics?

Answer 17

Tunica Albuginea

Question 18

What is the tunica albuginea?

Answer 18

Fibrous connective tissue capsule that encloses each testis

Question 19

Small partitions that extend into the testis from the capsule; divides each testis into tiny lobules that contain the seminiferous tubules

Answer 19

Septa

Question 20

Large “nurse” cells that support spermatids during physical changes to spermatozoa

Answer 20

Sertoli cells

Question 21

What is the epididymis?

Answer 21

Storage site for spermatozoa and a place for them to mature

Question 22

Where is the epididymis located?

Answer 22

Flat ribbon-like structure that lies along the surface of the testis (has a head, body and tail)

Question 23

What is the vas deferens function?

Answer 23

Moves the spermatozoa from the epididymis up to the urethra when ejaculation occurs

Question 24

Which animals have seminal vesicles?

Answer 24

Bull
Stallion

Question 25

Which animals have prostate glands?

Answer 25

All of them Bull Stallion Tom Dog

Question 26

Which animals have bulbourethral glands?

Answer 26

Bull Tom Stallion

Question 27

How many portions of the urethra are there?

Answer 27

Pelvic Portion Penile Portion

Question 28

How many portions of the urethra are there?

Answer 28

Pelvic Portion Penile Portion

Question 29

What do the accessory reproductive organs produce?

Answer 29

Produce alkaline fluid to counteract acidity of female reproductive tract

Question 30

What 3 components make up alkaline fluid?

Answer 30

Electrolytes Fructose Prostaglandins

Question 31

What is the penis composed of?

Answer 31

Muscle Erectile Tissue Connective Tissue Large Blood Supply Many sensory nerve endings

Question 32

What are the 3 main parts of the penis?

Answer 32

the Roots the Body the Glans

Question 33

the root: 2 bands of _______ attach penis to brim of pelvis

Answer 33

crura

Question 34

the body: 2 bundles of erectile tissue

Answer 34

Corpus cavernosum urethrae/corpus spongiosum Corpus cavernosum penis

Question 35

Distal end of penis with numerous sensory nerves

Answer 35

the glans

Question 36

sheath of skin that encloses the penis when not erect

Answer 36

prepuce

Question 37

What acts as a tie to keep male and female locked together during mating?

Answer 37

Bulb of glans remains swollen after ejaculation

Question 38

Which part is often mistaken for testes by clients?

Answer 38

Bulb of glans

Question 39

True or False: The equine penis contains large component of erectile tissue

Answer 39

True

Question 40

Widest part of the equine penis (mushroom shaped)

Answer 40

corona glandis

Question 41

Distal end of the urethra for equine penis?

Answer 41

Urethral process

Question 42

Where does the urethral process extend to?

Answer 42

Central depression, fossa glandis

Question 43

S shape of non erect penis

Answer 43

Sigmoid flexure

Question 44

What animals have sigmoid flexures

Answer 44

Bull Ram Boar

Question 45

Muscle that pulls penis back to non-erect, S shape

Answer 45

retractor penis muscle