括约肌 / 括約肌

kuò​yuē​jī

sphincter

ring-shaped muscle that surrounds and controls the opening and closing of a body passage, such as the anus, bladder, or stomach

括 (literal) → 括 · kuò · to tie up 约 (literal) → 约/約 · yuē · to restrict 肌 (bound) → 肌 · jī · muscle

Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition

created sense May 20, 2026, 07:57 PM