Cryptorchidism is the condition in man when
There are two testis in each scrotum
Testis do not descent into the scrotum
Testis enlarge in the scrotum
Testis degenerate in the scrotum
How many cleavages are completed in $16$ celled stage of egg.
The part of fallopian tube which is closer to the ovary is............
Which of the following is not correct for gastrulation
Read the following paragraph with two blanks : Each testis has about $A$ compartments called as testicular lobules. Each lobule contains $B$ highly coiled seminiferous tubules in which the sperms are produced. The correct option for the two blanks is
$A$ | $B$ |
$FSH $ acts on ........, which help in the process of spermiogenesis.