Lecture 5

Question 1

What makes up the wall of the scrotum?

Answer 1

1. layer of thin skin
2. tunica dartos (smooth muscle &connective tissue)
3. external spermatic fascia

Question 2

What type of vessels and nerves supply the scrotum?

Answer 2

cutaneous

Question 3

Where is the testis attached in the embryo?

Answer 3

dorsal abdominal wall caudal to the kidneys

Question 4

What is it attached to the dorsal abdominal wall by and what attaches with it?

Answer 4

gubernaculum

mesorchium and mesonephric ducts

Question 5

What does the proximal portion of the gubernaculum become when the testes descend?

Answer 5

proper ligament of the testis

Question 6

What does the distal portion of the gubernaculum become when the testes descend?

Answer 6

ligament of the tail of the epididymis

Question 7

what forms as a result of an evagination of the abdominal wall when the testes descend?

Answer 7

the cavity of the vaginal tunic

Question 8

What are the three major components in the confines of this cavity?

Answer 8

tunica vaginalis (parietal layer)
tunica vaginalis (visceral layer 
spermatic cord, testis, epididymis

Question 9

What is contained in the mesorchium?

Answer 9

testicular artery, nerves, pampiniform plexus, and lymphatics

Question 10

what surrounds the ductus deferens

Answer 10

mesoductus deferens

Question 11

What are the structures surrounding the testis?

Answer 11

tunica vaginals (parietal and visceral layers)
spermatic fascia
cremaster muscle
wall of the scrotum (external spermatic fascia, tunica dartos, skin)

Question 12

What are the 3 parts of the penis?

Answer 12

root, body and glans

Question 13

What does the root consist of?

Answer 13

2 crura and 1 bulb

Question 14

What type of penis does the stallion have?

Answer 14

musculocavernous