During embryonic development the establishment of polarity along anterior / posterior, dorsa l/ ventral or medial / lateral axis is called

The mammary glands are paired structures that contain the glandular tissue and variable amount of fat. The correct sequence of tissues involved in synthesis and flow of milk are

The uteri and vagina lie in a fold of peritoneum called

Type of cleavage found in mammals is

Assertion : Mammalian ova produces hyaluronidase.

Reason : The eggs of mammal are microlecithal and telolecithal.

In human all the three germ layers are originated from