Question

Explain the phases of spermatogenesis in humans with the help of a diagram.

Answer 1

Spermatogenesis: Formation of sperms in testis is called as spermatogenesis. It involves the following steps:

(1) Multiplication phase: In this phase, the cells of generative layer divide and redivide to produce spermatogonia.

(2) Growth phase: In this phase, spermatogonia grows and then it is called as.spermatocytes.

(3) Maturation phase: In this phase metamorphosis occurs in the spermatids to produce a well-developed sperm which is divided into three parts:

(i) Head,

(ii) Neck

(iii) Tail.