Each seminiferous tubule is lined on its inside by two types of cells $A$ and $B$. Which of the following options is correct, w.r.t. the type of cell and its function?
$A$ | $B$ |
Male germ cells : Undergo meiotic division | Sertoli cells : Provide nutrition to germ cells |
Spermatogonia : Undergo Mitosis | Sertoli cells : Secrete testicular hormones |
Male germ cells : Leading to sperm formation | Leydig cells : Secrete androgens |
Sertoli cells : Provide nutrition to germ cells | Leydig cells : Secrete inhibin |
Testicular degeneration and other disorders of reproductive system in mammals are due to the deficiency of
Heterogametic male condition does not occur in
The mammalian primitive streak gives rise to
Given a diagram showing a portion of a seminiferous tubule. Identify the marked alphbates
True coelom develops as a split in