What is true about spermatogenesis?
Ans. A It takes 74 daysRef: Textbook of Human Embroyology, pg. 24* Spermatogenesis - Process of formation of spermatozoa from primitive germ cell (spermatogonia)* Spermiogenesis - Formation of spermatozoa from spermatid.* Spermatogenesis begins at-puberty (oogenesis begins intrauterine life)* Spermatogenesis continues-throughout life (oogenesis- stops at menopause)* Average time-74 days* Site- seminiferous tubule* Sperm size- 55-65 pm* Parts- head, neck, middle piece, principal piece, end piece.* Acquire motility in- epididymis.
It takes 74 days
Takes place in spermatic cord
Meiosis occurs only after secondary spermatocyte
Spermatid is formed from spermatozoa
Male Sex Glands