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physical traits developing during puberty, distinguishing sexes without direct reproductive roles

Secondary sexual characteristics are physical traits that develop during puberty and distinguish the two sexes of a species, but are not directly involved in reproduction. Examples include the growth of facial and body hair in males, and the development of breasts and wider hips in females. These characteristics are influenced by hormonal changes, particularly the increase in sex hormones like testosterone and estrogen.

Related Terms

• Puberty
• Adrenal Androgens
• Dehydroepiandrosterone Sulfate
• Ethinyl Estradiol
• Estrogen
• Estrogen Deficiency
• Female Hormones
• 5α-reductase deficiency