Read Edit View history 平滑肌 pínghuájī smooth muscle Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 平滑肌 · pínghuájī · smooth muscle 2026/03/04 平滑肌 pínghuájī smooth muscle Involuntary, non-striated muscle tissue found in the walls of internal organs such as the stomach, intestines, and blood vessels. 人的内脏器官大多由平滑肌构成。 noun created sense Mar 4, 2026, 02:25 AM