The layer of uterus which becomes much eroded due to placental villi is known as
Endothelium
Endometrium
Endoderm
Trophoblast
It's Obvious
Polyspermy refers to
The cleavage is such method of divisions of fertilized egg in which the egg
In human female the blastocyst
Which distinguishes a morula from a blastula
Assertion : In morula stage, cells divide without increase in size.
Reason : Zona pellucida remains undivided till cleavage is complete.
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