Sertoli cells are often described as the “nurse cells” of spermatogenesis. They provide structural support, nutritional supply, and regulatory signaling essential for germ cell development. Each Sertoli cell supports a finite number of germ cells, establishing a biological limit to sperm production.
Damage to Sertoli cell function—whether due to hormonal disruption, toxic exposure, or genetic abnormalities—leads to compromised spermatogenesis. Sertoli cell dysfunction may present clinically as oligospermia or azoospermia, even in the presence of normal testosterone levels.
In modern andrology, Sertoli cell health is increasingly recognized as a key determinant of male reproductive capacity. Research into Sertoli cell biomarkers offers promising diagnostic and erotic therapeutic potential.
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