Germinal epithelium gives rise to
Sertoli cells
Interstitial cells
Spermatogonium
Scrotum
Structure connecting the foetus to placenta is
Which one of the following is least present in the endometrium during the proliferative phase of the menstrual cycle
In early haemopoietic tissue of embryo, there is
The chemical substance found in the surface layer of cytoplasm of spermatozoa is
Onset of menstruation of human female is called