Vans Deferens Flashcards
1
Q
The inner layer of the vans deferens is made of _____
A
longitudinal smooth muscle
2
Q
The intermediate layer of the vans deferens is made of ______
A
circular smooth muscle
3
Q
The outer layer of the vans deferens is made of _______
A
longitudinal smooth muscle
4
Q
Where does the vans deferens originate?
A
it is continuous with the tail of the epididymis
5
Q
Describe the route of the vans deferens
A
- Travels through the inguinal canal, as part of the spermatic cord.
- Moves down the lateral pelvic wall in close proximity to the ischial spine.
- Turns medially to pass between the bladder and the ureter and then travels downward on the posterior surface of the bladder.
- The inferior narrow part of the ampulla joins the duct from the seminal vesicle to form the ejaculatory duct.
6
Q
Is the vans deferens paired?
A
Yes
7
Q
From the ejaculatory duct, sperm can pass through the ________
A
prostatic urethra
8
Q
How is sperm moved quickly towards the ejaculatory duct?
A
Rich autonomic innervation, and microvilli on cells lining the inner mucosal layer of the vans deferens
