spermatogenesis in humans

Spermatogenesis - The process of spermatogenesis occurs in the seminiferous tubules of the testes. The whole developmental process of proliferation of spermatogonia or the sperm mother cells to mature spermatozoa or sperm is called as spermatogenesis. The functional sp..

In man, the testes are paired oval bodies about 4 - 5 cm in length. The testes develop in the pelvic cavity but by the time the baby is born, they move out of the abdominal cavity, and lie in a pouch of skin called scrotum. The scrotum hangs between the thighs. The testes are extra - abdominal beca..

The male reproductive system comprises of a pair of testes that are present in a thin-walled sac called the scrotum . The scrotum is contained within the abdominal cavity in the embryonic stage. Shortly before birth, they come down and remain outside throughout life. This is because the testes ..

Summary - Animals may reproduce by asexual and sexual modes. The reproductive system of sexually reproducing animals consists of primary sex organs which produce the gametes, the secondary sex organs which participate in reproduction but do not form gametes and accessory sex characters which distin..