Which of the following structure originates from ectoderm
Stomodaeum
Proctodaeum
Mesodaeum
$(a)$ and $(b)$ both
Archenteron is formed during
In the diagram of section of Graafian follicle, different parts are indicated by alphabets; choose the answer in which these alphabets have been correctly matched with the parts they indicate.
Yolk of egg in the vertebrates is formed in
Identify the correct statement on ‘inhibin’.
Which of the following is the endocrine tissue of testes