The figure given below shows the sectional view of ovary. Select the option which gives correct identification of marked structure ( $A$ to $D$ ) and its feature.
$A:$ Primary follicle, it is also called gamete mother cell.
$B:$ Corpus luteum, it cannot be formed and added after birth.
$C:$ Grafian follicle, mature follicle which ruptures to release secondary oocyte.
$D:$ Tertiary follicle, a large number of this follicle degenerates during the phase from birth to puberty.
What do you mean by the term spermateleosis
One of the minute cell which separates from the animal egg during maturation is known as
Give information about hormones associated with the process of spermatogenesis.
Given below are two statements :
Statement $I$ :
The release of sperms into the seminiferous tubules
is called spermiation.
Statement $II$ :
Spermiogenesis is the process of formation of sperms from spermatogonia.
In the light of the above statements, choose the most appropriate answer from the options given below:
In mammals growing oocytes are surrounded by special nutritive cells called