Pseudopregnancy is a physiological condition comparable to normal pregnancy except that there is no

During early and middle fetal life, the testis are located in the

Ectopic pregnancies are referred to as

To ensure effectiveness of reproduction in mammals

When a small piece of dorsal lip of blastopore of frog's early gastrula is transplanted into another gastrula of similar age at ventral lip, the result is

Phallic organs in cockroach are related to