Name the cells which provide nourishment to the spermatogonia.

Which pituitary hormone regulates the Sertoli cells?

At the end of the first meiotic division,the male germ cells differentiate into

In the testis,the immature germ cells produce sperm by $...A...$ at puberty. $...B...$ present on the inside wall of seminiferous tubules multiply by $...C...$ division and increase their number. Identify $A$,$B$,and $C$ from the above statement.

Secretion of progesterone by the corpus luteum is initiated by

The process of formation of a mature sperm from a spermatid is called $:-$