primary sex characteristic   (TTS Sound)

The primary_sex_characteristic has 1 Senses.

• primary sexual characteristic, primary sex character, primary sex characteristic
• 第一次性徴
• the genetically determined sex characteristics bound up with reproduction (genitals and organs of reproduction)
• 生殖作用（生殖のための性器と器官）と密接な関係がある、遺伝子的に決定された性的特性