Comparative male repro

Question 1

Describe the scrotum in the bull and ram

Answer 1

Long and pendulous

With a marked neck

Question 2

Describe the scrotum of a boar

Answer 2

Subanal

Close against caudal thighs

Question 3

Describe the stallion scrotum

Answer 3

Globular

Poorly defined neck

Question 4

Which species have a fibroelastic penis?

Answer 4

Bull
Ram
Boar
Deer

Question 5

Which animals have a musculocavernous penis?

Answer 5

Stallion
Dog
Tom cat

Question 6

Describe the penis in the bull and ram.

Answer 6

Fibroelastic
Glans penis tapers to a point
Ram has vermiform appendage/urethral process

Question 7

Describe the penis in the boar. What is lacking?

Answer 7

Fibroelastic
Prescrotal sigmoid flexure
No glans penis
Spiral end - locks into cervix

Question 8

Describe the penis in the stallion

Answer 8

Musculocavernous

Urethral process sunk into fossa glandis

Question 9

Describe the penis in the tom cat

Answer 9

Musculocavernous
Cornified spines (stimulate ovulation)

Question 10

Describe the penis in the dog. This is the only species to have what?

Answer 10

Musculocavernous

Only species with bulbus glandis

Question 11

Which species have all 4 accessory glands?

Answer 11

Bull
Ram
Horse

Question 12

Which accessory glands does the pig have?

Answer 12

All - seminal vesicles, prostate, bulbourethral gland

EXCEPT absent or vestigial ampulla

Question 13

Which accessory glands do tom cats have?

Answer 13

Prostate

Bulbourethral

Question 14

Which accessory glands do dogs have?

Answer 14

Prostate

Sometimes ampulla

Question 15

Where are the urethral calculi pinch points of animals with a fibroelastic penis?

Answer 15

Proxima end of sigmoid flexure

Question 16

Where are the urethral pinch points in the dog?

Answer 16

Base of the os penis