Duchenne smile

English

After the French physician Duchenne de Boulogne (1806-1875).

Duchenne smile (plural Duchenne smiles)

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).

单词	Duchenne smile
释义	Duchenne smile English Etymology After the French physician Duchenne de Boulogne (1806-1875). Noun Duchenne smile (plural Duchenne smiles) 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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