spermatogenesis

/spɜrˌmætəˈdʒɛnəsɪs/
noun
  1. The process by which sperm cells are produced in the male reproductive organs.
    • Hormones like testosterone regulate spermatogenesis in the testes.
    • Spermatogenesis begins at puberty and continues throughout a man's life.
    • Disruptions in spermatogenesis can lead to infertility.