[vas ef-uh-renz, -er-uh nz]
- any of a number of short ducts that carry sperm from the testis to the epididymis.
See also vas deferens.
Origin of vas efferens
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- Any of a number of small ducts that carry semen from the testis to the epididymis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.