Embryo at $16$ -celled stage is called
Morula
Blastula
Blastomere
Gastrula
The hormone that prepares and maintains the uterus during pregnancy is secreted by
Choose the correct combination of labelling the hormonal control of female reprodcutive system
In mammals the estrogens are secreted by the Graafian follicle from its
The period of preparation with reference to developmental phenomena in vertebrates means
Formation of notochord or the central axial chord in vertebrates is known as