Rapid secretion of $LH$ in ovulation causes
Rupturing of Graafian follicle
Releasing of ova
Ovulation
All of the above
Cryptorchidism is the condition in man when
Decidua which takes part in the formation of maternal portion of the placenta is
Amnion helps in
Notochord, skeletal system and dermis of the skin are the derivatives of
Mammalian embryo is directly surrounded by