The abdominal passage which connects the abdominal cavity with the scrotal sac in mammals is known as
Spermatic canal
Neurenteric canal
Inguinal canal
Haversion canal
Pasteels $(1945)$ described gastrulation takes place in aves by
The elastic tissue connecting the cauda epididymis to the scrotal sac is
A change in the amount of yolk and its distribution in the egg will affect
Site of fertilization in a mammal is ......
Give scientific reasons : When male excites sexually epididymis wall shrinks / contracts.