Differences between vasa deferentia and vasa efferentia:
Vasa deferentia:
1. Vas deferentia carries the sperms from epididymis to urethra.
2. It transports mature sperms.
3. Two in number.
Vasa efferentia:
1. Vasa efferentia transfer sperms from rete-testis to epididymis.
2. It transports immature sperms.
3. Many in number.