In humans, at the end of the first meiotic division, the male germ cells differentiate into the ?

Which part of ovary in mammals acts as an endocrine gland after ovulation ?

Amniocentesis is used to detect the:  </p>

The fluid from which of the following accessory gland neutralize the acidity in a vagina of the female?

Name the process by which most of the oogonia degenerated before the birth ?

What is the membrane that covers the opening of the vagina called?

In spermatogenesis, reduction division of chromosome occurs during conversion of ?

How many sperms are formed from 4 primary spermatocytes ?