any of a number of short ducts that carry sperm from the testis to the epididymis.
- See also vas deferens.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use vas efferens in a sentence
In the segment immediately behind the last vas efferens was a fully developed segmental tube.The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
In a somewhat older embryo there was connected with the anterior vas efferens a peculiar structure represented on Pl.The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour