All extra embryonic membranes
Take part in the formation of embryo
Does not take part in the embryo formation
Form the placenta
Perform the function of excretion of embryo
Sertoli cells are regulated by the pituitary hormone known as
The estrous cycle occurs in
Proctodaeum in rabbit is
Nebenkern is a part of
Coelom derived from blastocoel is known as