Vas Deferens

Question 1

.

Lymphatic drainage of the ductus deferens is to the …… nodes

Answer 1

external and internal iliac

Question 2

The ductus deferens is a …….. that plays a crucial role in the male reproductive system by transporting sperm from the epididymis to the ejaculatory ducts.

Answer 2

thick-walled, muscular tube

Question 3

…….. deferens is a continuation of the epididymis.

Answer 3

The ductus (vas)

Question 4

Vas deferens is 30-45 cm long and transports sperm to the ……..

Answer 4

ejaculatory ducts.

Question 5

The ductus deferens develops from the mesonephric (Wolffian) ducts during …….

Answer 5

embryogenesis

Question 6

The ……… of the ductus deferens becomes straighter (diameter 2-3 mm) as it travels posterior to the testis and medial to the epididymis.

Answer 6

convoluted portion

Question 7

Subsequently, the ductus ascends on the posterior aspect of the spermatic cord until it reaches the deep inguinal ring, where it participates in the formation of the…….. and …….over the inferior epigastric artery.

Answer 7

spermatic cord and loops

Question 8

At this point, the ductus travels along the lateral pelvic wall, medial to the ……., along the posterior wall of the bladder until it reaches the seminal vesicles dorsal to the prostate.

Answer 8

distal ureter

Question 9

Each ductus deferens has an artery usually derived from the ……, with venous drainage to the pelvic venous plexus.

Answer 9

superior vesical artery (artery to the ductus)

Question 10

innervation of the ductus deferens is mainly through the autonomic plexus of mainly …….. derived from the inferior hypogastric plexus.

Answer 10

postganglionic sympathetic fibers