internal sphincter muscle of anus

英 [internal sphincter muscle of anus]
美 [internal sphincter muscle of anus]

中文释义

肛门内括约肌

单词分析

单词结构：

internal sphincter muscle of anus

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：internal sphincter muscle of anus
  • 核心含义：肛门内括约肌

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更新时间：2026-02-05 07:43:59