性せい形けい質しつ

noun

sexual characteristic

Biological term referring to physical traits that distinguish the sexes. Often used in medical or academic contexts. Compare with 性徴 (せいちょう), which is more common in everyday biology education.

See also: 性徴

• 性せい形けい質しつの発はつ現げんにはホルモンが関かん与よしている。

  Hormones are involved in the expression of sexual characteristics.

• この動どう物ぶつの性せい形けい質しつはオスとメスで大おおきく異ことなる。

  The sexual characteristics of this animal differ greatly between males and females.