这个词是什么意思？
Those characteristics that distinguish one SEX from the other. The primary sex characteristics are the OVARIES and TESTES and their related hormones. Secondary sex characteristics are those which are masculine or feminine but not directly related to reproduction.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D012727 · MeSH 2026。
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