Last Updated
：2025/11/25
Duchenne smile
Noun
Japanese Meaning
デュシェンヌ・スマイルとは、頬骨筋（口角を上げる筋肉）と眼輪筋（目の周りの筋肉）の両方が同時に収縮することで現れる、真摯な笑顔や本物の笑顔を指す表現です。
（ plural ）
Quizzes for review
A smile involving contraction of both the zygomatic major muscle (which raises the corners of the mouth) and the orbicularis oculi (which raises the cheeks and forms crow's feet around the eyes).
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Duchenne smile
When she greeted me with a Duchenne smile, I could tell her happiness was genuine.
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When she greeted me with a Duchenne smile, I could tell her happiness was genuine.
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