Vitellogenesis occurs during the formation of
Primary oocyte in the Graafian follicle
Oogonial cell in the Graafian follicle
Ootid in the fallopian tube
Secondary oocyte in the fallopian tube
The hormone that prepares and maintains the uterus during pregnancy is secreted by
Which of the following is the endocrine tissue of testes
Cowper's gland is present in
Pasteels $(1945)$ described gastrulation takes place in aves by
Foetal membranes provide