musculus sphincter ani internus

英 [musculus sphincter ani internus]
美 [musculus sphincter ani internus]

中文释义

肛门内括约肌

单词分析

单词结构：

musculus sphincter ani internus

字母数：31

记忆提示

🎯 重点记忆：

  • 单词拼写：musculus sphincter ani internus
  • 核心含义： 肛门内括约肌

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更新时间：2026-02-20 09:13:54