vasalgel, a reversible form of male birth control, just took one step closer to your vas deferens.
vasalgel, a reversible, non-hormonal polymer that blocks the vas deferens, is about to enter human trials.
One of the things I love to do is offload a bunch of tasks to my vas around 9PM each night.
plural vasa, Latin, literally "vessel." Vas deferens (plural vasa defferentia) is from 1570s.
n. pl va·sa (vā'zə)
An anatomical duct or canal conveying any liquid, such as blood, lymph, chyle, or semen.
Variant of vaso-.