Medical Dictionary

risus sardonicus

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noun ri·sus sar·do·ni·cus \ˈrī-səs-ˌsär-ˈdän-i-kəs, ˈrē-\

Medical Definition of risus sardonicus

  1. :  a facial expression characterized by raised eyebrows and grinning distortion of the face resulting from spasm of facial muscles especially in tetanus


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