Holoblastic cleavage may occur in eggs which are
Oligolecithal only
Mesolecithal only
Macrolecithal only
Oligolecithal and mesolecithal both
Ceasation of menstrual cycle at the age of $50$ is called
The shock absorber fluid of the developing embryo is known as
When both $LH$ and $FSH$ attain peak level in the menstrual cycle ?
The yolk plug is a structure in gastrula which is formed by the protrusion of