Male Genital Anatomy

Question 1

Located between thig (exc. cat and boar)

Answer 1

Scrotum

Question 2

Scrotum is free of hair except in these animals

Answer 2

Cat, Sheep, Goat

Question 3

They regulate testicular temperature

Answer 3

Tunica dartos
Cremaster muscle
Pampiniform plexus

Question 4

It covers the testes

Answer 4

Tunica Vaginalis Propria

Question 5

A dense, thick connective tissue capsule beneath the tunica vaginalis

Answer 5

Tunica albuginea

Question 6

Has a smooth muscle coat that moves sperm along in peristaltic waves toward vas deferens; for spermatozoa transportation, nutrition, storage and maturation

Answer 6

Epididymis

Question 7

Paired accessory gland located dorsolateral to neck of bladder, cranial to the ampullae

Answer 7

Seminal Vesicle / Vesicular Gland

Question 8

The seminal vesicle is present in these animals:

Answer 8

Stallion, Ruminants, Boar

Question 9

Cranial to the bladder and on/or around the neck of the bladder, or cranial portion of the pelvic urethra

Answer 9

Prostate Glands

Question 10

Paired glands lying on either side of pelvic urethra, near ischiatic arch and bulb of the penis, ovoid in shape

Answer 10

Bulbourethral Gland / Cowper’s Gland

Question 11

The bulbourethral gland is absent in this animal

Answer 11

Dogs

Question 12

An accessory gland of the deferent ducts

Answer 12

Ampullary gland

Question 13

This gland acts as reservoirs for sperm

Answer 13

Ampullary Gland

Question 14

An anti-oxidant and yellowish fluid, secreted by the ampullary gland

Answer 14

Ergothioneine

Question 15

The ampullary gland is only present in these animals:

Answer 15

Stallion, Bull, Ram

Question 16

Copulatory organ of the male

Answer 16

Penis

Question 17

Penile erection due to distention of blood in the ?

Answer 17

Corpus cavernosum

Question 18

Blood supply of the penis

Answer 18

Internal and External Pudendal Artery
Obturator artery

Question 19

Innervation of the Penis

Answer 19

Autonomic nerves of the pelvic plexus
Pudendal and Hemorrhoidal Nerves

Question 20

The external opening of the prepuce

Answer 20

Preputial orifice

Question 21

A double invagination of skin which contains and covers the free portion of the penis when not erect; covers the body of the penis behind the glans when penis is erect

Answer 21

Prepuce

Question 22

Long and narrow prepuce; 2 pairs of cranial and caudal preputial muscles, protractors and retractors that draw the preputial opening (forward or backward)

Answer 22

Bull

Question 23

Has a preputial cavity created by a preputial fold

Answer 23

Stallion

Question 24

Has narrow prepuce, similar to the bull but not as long

Answer 24

Ram

Question 25

Prepuce has a small orifice; caudal part (narrow) whilst cranial part (wide)

Answer 25

Boar

Question 26

These animals tend to urinate inside their prepuce

Answer 26

Swine and Ruminants

Question 27

These animals extend their penis beyond the sheath

Answer 27

Horses, Cats, and Dogs

Question 28

This type of penis achieves an erection by straightening its sigmoid flexure via relaxation of the retractor penis muscle. This allows increased blood flow to fill the penis and extend it outwards (the increased blood pressure also unfolds the penis)

Answer 28

Fibroelastic Penis

Question 29

Their penis is an S-shaped curve, or sigmoid flexure, caudal and dorsal to the scrotum; small erectile tissue as compared to stallion

Answer 29

Bull

Question 30

Their penis erection will double its length and thickness, with the glans penis enlarged three or more times its normal size; has a large amount of erectile tissue

Answer 30

Stallion

Question 31

These animals’ penises are characterized by a urethral process extending beyond the glans penis, also has a sigmoid flexure

Answer 31

Ram / Billy

Question 32

This animal’s sigmoid flexure is pre-scrotal; the cranial portion has no glans but is spirally twisted counterclockwise

Answer 32

Boar

Question 33

The dog’s penis has bony structure in the cranial portion called the ?

Answer 33

Os penis

Question 34

This expands greatly at the time of erection and prevents withdrawal during ejaculation

Answer 34

Bulbus glandis

Question 35

Their penis is short and directed caudally and downward; no glans penis but merely a terminal cap with numerous, 120 spines pointing toward the base of penis

Answer 35

Cat

Question 36

These animals have a fibroelastic penis

Answer 36

Bull, Ram/Billy, Boar

Question 37

These animals have musculocavernous penis

Answer 37

Stallion, Dog, Cat

Question 38

This animal’s prostate gland is over the neck of the bladder and cranial portion of the urethra; has two lateral lobes

Answer 38

Stallion

Question 39

This animal’s prostate gland can be felt per rectum as a distinct transverse oral protuberance on the cranial end of the pelvic urethra

Answer 39

Bull

Question 40

This animal’s prostate gland has no body and is defused over a large portion of the pelvic urethra

Answer 40

Ram

Question 41

This animal’s prostate gland’s body is located dorsal to the bladder and covered by the seminal vesicle.

Answer 41

Boar

Question 42

This animal’s prostate gland’s two lobes completely surround the neck of the bladder.

Answer 42

Dog