生殖结节(英语:genital tubercle)[2],是存在于生殖系统发育过程中的组织体,形成于哺乳动物胚胎的腹部尾侧区域,是阴茎或阴蒂的原基。人类胎儿生殖结节在妊娠第4周左右形成,到第9周时,可辨认出阴茎或阴蒂。此后,生殖结节这一术语用来指代原生殖结节的末端[3],将来发育为阴茎头或阴蒂头。
生殖结节不应与窦结节混淆。窦结节是由中肾旁管引起的内胚层增生。
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