Differences between vasa efferentia and vasa deferentia are:
1.They arises from the rete testes.
2.Fine and convoluted ductules. Vary from 15-20 in number.
3.Carry spermatozoa from rete from testes to epididymis.
1. They arises from the epididymis.
2.Thick and coiled ductules only 2 in number.
3.Carry spermatozoa from epididymis to ducts.