Vasa deferentia together with the duct from the seminal vesicle forms:

Given below is a diagram of the $T.S.$ of a testis. Select the option which gives the correct identification of the function of cells labeled $A, B, C,$ and $D$ from the options given below.
$A$ - cells undergo spermatogenesis to produce spermatozoa.
$B$ - cell responsible for the development of male secondary sexual characters.
$C$ - heads of sperms remain attached to these cells.
$D$ - haploid male gamete.

In $Cryptorchidism$,the testes fail to descend into the scrotum. What is the surgical procedure to bring the testes into the scrotum called?

The histological layers of the testis from outside to inside are:

Which of the following is $NOT$ true for sustentacular cells (Sertoli cells)?

Each epididymis consists of a single tightly coiled tube whose length is about