allows sperm out of the penis...this is what gets shut off in order to be "fixed"
Non Obstructive Azoospermia
During ejaculation, the vas deferens carries the sperm from the testes to the urethra.The vas deferns is the tube in the male reproductive system and it carries sperm to the penis during ejaculation
male sharks do have vas deferens..
The vas deferens (ductus deferens) begins at the epididymis and ends at the ejaculatory duct.
The vas deferens carries the sperm to the ejaculatory ducts.
women have fallopean tubes not vas deferens
A vasography is a radiological test to determine the patency of the vas deferens.