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Why testis are extra abdominal in position ? Find out more about cells of Rauber.Differentiate between spermatogenesis and oogenesis​

Answer»

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 as scrotum. The scrotum hangs between the thighs. The testes are extra - abdominal because sperms mature at a temperature slightly lower than the BODY temperature. The scrotal sac is filled with a fluid called as hydrocoel. The scrotal sacs act as thermoregulators and keep the testicular temperature 2 °C lower than body temperature for normal spermatogenesis. The cavity of the testes is called as VAGINAL COELOM and it is connected to the abdominal cavity through inguinal canal.



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