The onset of the production of sperm cells in males, which occurs at a little over 14 years of age, is called __________.

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The onset of production of sperm cells in males is called spermarche. The term "climacteric" refers to the period of life when reproductive capacity declines in both males and females, typically in middle age. "Semenarche" and "menarche" refer to the onset of the first ejaculation and first menstruation, respectively, in males and females.

The Onset of the Production of Sperm Cells in Males