Each seminiferous tubule is lined on its inside by two types of cells:
APrimary spermatocytes and oocytes
BLeydig cells and Sertoli cells
CSpermatogonia and Leydig cells
DSpermatogonia and Sertoli cells
Answer & Solution
Correct answer: D. Spermatogonia and Sertoli cells
Seminiferous tubules are lined by **spermatogonia (male germ cells)** that undergo meiosis to form sperms, and **Sertoli cells** that provide nutrition to the dividing germ cells. Leydig cells are in the *interstitial spaces* outside the tubules.
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