In the embryonic development of chordate the animal pole forms one of the following of the adult
Dorsal side
Ventral side
Head
Tail
Vestibular glands secrete
Inhibition of uterine contraction ceases and the bleeding and cramps of menstruation begin due to
Amnion helps in
The breakage of the membrane surrounding the acrosome in a mammalian sperm is
Acrosome of sperm is formed from