The glans penis is a derivative of . . . . . . .

The prostate gland surrounds the $A$. It produces a milky, slightly alkaline solution which forms $B$ volume of the semen. The secretion contains $C$ acid and enzymes (acid phosphatases, amylase, pepsinogen, and prostaglandins). $A$, $B$, and $C$ in the above statement are:

Which duct is formed by the union of the vasa efferentia and the seminiferous tubules?

The ejaculatory duct is formed by the union of which of the following?

From where does the tunica vaginalis of the testis develop?

In the mammalian reproductive system,testicular degeneration and other diseases occur due to the deficiency of .......