[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
vas efferens(văs′ ĕf′ər-ənz, -ə-rĕnz′)
- Any of a number of small ducts that carry semen from the testis to the epididymis.