Differentiate between the following:
Vas deferens and vasa efferentia

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Solution

Vas deferens:
It is a muscular tube-like structure.
It ascends into the abdominal cavity and opens into the urethra.
Vasa efferentia:
These are greatly convoluted tubules
It connects rete testis to the epididymis
Vas deferens
Vasa efferentia
Collect mature sperms from epididymis
Collect immature sperms from seminiferous tubules
Each vas deferens ascends into the abdominal cavity and opens into urethra.
Ducts are present between the rete testis and epididymis.
It is present in the form of one single duct on the side of each testis.
They are present in the form of very small numerous ducts in each testis

Vas deferens	Vasa efferentia
Collect mature sperms from epididymis	Collect immature sperms from seminiferous tubules
Each vas deferens ascends into the abdominal cavity and opens into urethra.	Ducts are present between the rete testis and epididymis.
It is present in the form of one single duct on the side of each testis.	They are present in the form of very small numerous ducts in each testis