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Question
What is the key function of Sertoli cells in the seminiferous tubules?
Options
To nourish developing germ cells and form the blood-testis barrier
To synthesize and secrete testosterone
To produce spermatozoa
To initiate meiosis in germ cells
MCQ
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Solution
Sertoli cells line the wall of seminiferous tubules and function as nurse cells. They nourish and provide structural support to developing germ cells throughout spermatogenesis. Additionally, Sertoli cells form the blood-testis barrier, which protects developing sperm from immune attack, and secrete anti-Müllerian peptide (ABP) and inhibin in response to FSH stimulation.
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