指甲(unguis)是一種角質板,位於結締組織甲床中,指甲長出。
區分位於指甲裂縫中的指甲根部(指甲根部),指甲主體部位(ungius)和突出於指甲床之外的自由邊緣(margo liber)。指甲從其根部和側面限制指甲的皮褶被稱為指甲輥(vallum unguis)。
指甲(unguis)是一種角質板,位於結締組織甲床中,指甲長出。
區分位於指甲裂縫中的指甲根部(指甲根部),指甲主體部位(ungius)和突出於指甲床之外的自由邊緣(margo liber)。指甲從其根部和側面限制指甲的皮褶被稱為指甲輥(vallum unguis)。
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