Last Updated：2025/11/20

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(anatomy) A ringlike band of muscle that surrounds a bodily opening (such as the anus or the openings of the stomach), constricting and relaxing as required for normal physiological functioning.

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sphincter

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Source Word

sphincter

IPA(Pronunciation)

/ˈsfɪŋk.tə(ɹ)/

Noun

(anatomy) A ringlike band of muscle that surrounds a bodily opening (such as the anus or the openings of the stomach), constricting and relaxing as required for normal physiological functioning.

Japanese Meaning

括約筋 - 体の開口部（例：肛門や胃の開口部）を取り巻く輪状の筋肉で、正常な生理機能を維持するために必要に応じて収縮および弛緩する

What is this buttons?

The sphincter relaxed, allowing the meal to pass from the stomach into the small intestine.

Google Translation / DeepL Translation

括約筋が緩んで、食べ物が胃から小腸へと移った。

Details

Sense（1）

(anatomy) A ringlike band of muscle that surrounds a bodily opening (such as the anus or the openings of the stomach), constricting and relaxing as required for normal physiological functioning.