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Risus sardonicus is a highly characteristic, abnormal, sustained spasm of the facial muscles that is most often observed as a symptom of tetanus. The name of the condition derives from the appearance of raised eyebrows and an evil, open grin that it gives to its victim.

See also

External links

Risus sardonicus | Risus sardonicus

 

This article is licensed under the GNU Free Documentation License. It uses material from the "Risus sardonicus".

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