As a result of cleavages, if blastomeres are symmetrically placed around the polar axis the type of cleavage is known as

Accessory glands of human male reproductive system are

In mammals egg are microlecithal and isolecithal because these are

Ceasation of menstrual cycle at the age of $50$ is called

A boy who has not passed through puberty sustains an injury to his anterior pituitary such that $FSH$ is no longer released, but $LH$ secretion is normal. After he grows to maturity, one would expect that he would

The embryo of man is protected by