Question

விந்து உருவாக்கத்திற்கு ஊட்டமளிக்கும் பெரிய
நீட்சியடைந்த செல்கள்
அ) முதல்நிலை விந்து வளர் உயிரணு
ஆ) செர்டோலி செல்கள்
இ) லீடிக் செல்கள்
ஈ) ஸ்பெர்மட்டோகோனியா

Answer 1

ഹേ ഡ്യൂഡ്

Translate in English : Large elongated cells that nourish sperm formation a) Primary sperm cells b) Sertoli cells c) Leadic cells d)Spermatogonia

Translate in Hindi : बड़ी लम्बी कोशिकाएँ जो शुक्राणु का पोषण करती हैं a) प्राथमिक शुक्राणु कोशिकाएँ b) सर्टोली कोशिकाएँ e) लेसिक कोशिकाएँ d) स्पर्मेटोगोनिया

Answer : ( a) Primary sperm cells : Spermatogonia destined to develop into mature sperm cells are known as primary sperm cells. These move from the outer portion of the seminiferous tubule to a more central location and attach themselves around the Sertoli cells.

( b) Sertoli cells : A Sertoli cell (a kind of sustentacular cell) is a "nurse" cell of the testicles that is part of a seminiferous tubule and helps in the process of spermatogenesis, the production of sperm. It is activated by follicle-stimulating hormone (FSH) secreted by the adenohypophysis, and has FSH receptor on its membranes.

( c) Leadic cells : Leydig cells, also known as interstitial cells of Leydig, are found adjacent to the seminiferous tubules in the testicle. They produce testosterone in the presence of luteinizing hormone (LH).

( d) Spermatogonia : a cell produced at an early stage in the formation of spermatozoa, formed in the wall of a seminiferous tubule and giving rise by mitosis to spermatocytes.

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