Ductus Deferens

Question 1

Each ductus deferens or vas deferens is how long

Answer 1

40-45cm

16-18” long

Question 2

It begins at

Answer 2

The tail of the epididymis.
-it ascends through the inguinal canal.
- curves along the lateral surface of the bladder toward the superior and posterior margin of the prostate gland.
-just before it reaches the prostate gland and seminal glands, it’s lumen enlarges
The expanded portion is known as the ampulla of the ductus deferens

Question 3

The wall of the vas deferens contains a thick layer of

Answer 3

Smooth muscle

Question 4

In addition to transporting spermatozoa, the vas deferens can

Answer 4

Store spermatozoa for several months; they are in a temporary state of inactivity with low metabolic rates.

Question 5

The junction of the ampulla with the duct of the seminal gland marks the start of

Answer 5

Ejaculatory duct

Question 6

Ejaculatory duct

Answer 6

Is 2 cm or less than 1”.

It penetrates the muscular wall of the prostate gland and empties into the urethra

Question 7

Urethra

Answer 7

Extends 18-20cm from bladder to tip.

3 regions are prostatic, membranous, and spongy.