Male Reproductive System

Question 1

What is the physiological definition of puberty?

Answer 1

ability of the hypothalamus to produce GnRH and respond to GnRH

Question 2

What type of penis does the bull have?

Answer 2

fibroelastic

Question 3

Which accessory glands are present in the bull?

Answer 3

all 4

- prostate, vesicular, bulbourethral, and ampulla

Question 4

Describe an erection in the bull

Answer 4

• retractor penile muscle relaxes
• sigmoid flexure straightens
• rapid ejaculation/erection

Question 5

What type of penis does the stallion have?

Answer 5

musculocavernosus

Question 6

Which accessory glands does the stallion have?

Answer 6

all 4

- prostate, vesicular, bulbourethral, and ampulla

Question 7

Describe an erection in the stallion

Answer 7

• engorgement of blood in cavernosum
• direct intra-uterine deposition of sperm
• slow ejaculation/erection

Question 8

What type of penis does the boar have?

Answer 8

fibroelastic

Question 9

Which accessory glands does the boar have?

Answer 9

• prostate
• seminal vesicles
• bulbourethral gland

Question 10

What type of penis does the dog have?

Answer 10

musculovascular

Question 11

Which accessory glands does the dog have?

Answer 11

prostate only

Question 12

Which accessory glands does the cat have?

Answer 12

• prostate

- bulbourethral

Question 13

What are the functions of the pampiniform plexus?

Answer 13

• exchange of heat (arteries to veins) to keep testes cool
• exchange of androgens (veins to arteries) to keep testosterone in testes
• exchange of protein molecules

Question 14

Where is sperm stored?

Answer 14

tail of the epididymis

Question 15

What is the function of the leydig cells?

Answer 15

produce testosterone

Question 16

What is the function of the sertoli cells?

Answer 16

• convert testosterone to estradiol esters

- produce inhibin

Question 17

Where does spermatogenesis take place?

Answer 17

seminiferous tubules