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spermatogenesis
spermatogenesis Spermatogenesis is the process by which male germ cells develop into sperm.
Spermatogenesis is the process by which male germ cells develop into sperm. In the source described here, this involves a gradual change from a round cell into an elongated sperm cell as the acrosome forms, the cytoplasm shifts toward the head, and the flagellum develops.