In ladies, the oviducts are cutted or removed surgically to avoid the chances of fertilization. This is called
Vasectomy
Ovariodectomy
Sterilization
Tubectomy $(Salpingectomy)$
Failure of descending testis into scrotum is known as
Blood flowing in umbilical cord of mammalian embryo is
Gyanogamones are secretions from
Location - function : Testis and Ovary
The membrane investing the ovum just outside the membrana granulosa is