After a sperm has penetrated an ovum in the process of fertilization, entry of further sperms is prevented by
Development of the vitelline membrane
Development of the pigment coat
Condensation of yolk
Formation of fertilization membrane
Bartholin’ s glands are situated
In determinate cleavage, the spindle is
Accessory glands of human male reproductive system are
Cu ions released from copper- releasing Intra Uterine Devices $(IUDs)$
Site of fertilization in a mammal is ......