How long does sperm formation take in the seminiferous tubules?

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Front view anatomical diagrams of the male and female reproductive systems, with labeled organs including penis, testis, prostate gland, uterus, ovary, and vagina. — human reproductive system Organs and structures of the male and female reproductive systems.

In the human reproductive system, the process of spermatogenesis—the development of sperm cells within the seminiferous tubules—is a continuous but staggered process. It takes approximately 74 days for an immature germ cell to reach final maturation, a duration that includes intermittent resting phases during its development.1