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anatomical sphincter

/ˌænəˈtɒmɪkəl ˈsfɪŋktər/

翻译: 身体中可收缩的环形肌肉,能够关闭自然开口或通道,例如肛门或胃的幽门。

1 个条目

phrase

/ˌænəˈtɒmɪkəl ˈsfɪŋktər/C1formalmedical
  • zh身体中可收缩的环形肌肉,能够关闭自然开口或通道,例如肛门或胃的幽门。

A ring-shaped muscle in the body that can contract to close a natural opening or passage, such as the anus or the pylorus of the stomach.

  1. Ring of muscleC1formal

    A ring-like muscle that normally maintains constriction of a body passage or orifice and relaxes as required by normal physiological functioning.

    zh括约肌

    • The lower esophageal sphincter prevents stomach acid from flowing back into the esophagus.
    • The pyloric sphincter controls the passage of food from the stomach to the small intestine.
    • The anal sphincter helps maintain continence.