risus sardonicus

risus sardonicus
ri·sus sar·do·ni·cus 'rī-səs-.sär-'dän-i-kəs, 'rē- n a facial expression characterized by raised eyebrows and grinning distortion of the face resulting from spasm of facial muscles esp. in tetanus

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an abnormal grinning expression resulting from involuntary prolonged contraction of facial muscles, as seen in tetanus.

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a grinning expression produced by spasm of the facial muscles, seen in tetanus and certain types of poisoning.

Medical dictionary. 2011.

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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… …   Wikipedia

  • Risus sardonicus — Krämpfe der Gesichtsmuskulatur (Risus sardonicus) Der Risus sardonicus (lat. für Sardonisches Lachen, häufig ungenau als Teufelsgrinsen übersetzt) ist ein Symptom einer Infektion mit Clostridium tetani. Diese Bakterien erzeugen Tetanus, den… …   Deutsch Wikipedia

  • Risus sardonicus — Ri|sus sar|do|ni|cus [ ...kus] der; <aus lat. risus sardonicus »sardonisches Lachen« zu risus »das Lachen« u. gr. sardónios »hohnlachend, grinsend«> maskenartige, grinsende Verzerrung der Gesichtsmuskulatur (typisches Zeichen bei ↑Tetanus;… …   Das große Fremdwörterbuch

  • risus sardonicus — |rēsə(s)ˌsärˈdänə̇kəs, |rīs noun Etymology: New Latin, literally, sardonic laugh : a facial expression characterized by raised eyebrows and grinning distortion of the face resulting from spasm of facial muscles especially in tetanus * * * risus… …   Useful english dictionary

  • Risus sardonicus — Ri̱sus sardo̱nicus [lat. risus = das Lachen; gr. σαρδονιος = hohnlachend, grinsend; grimmig] m; : „sardonisches Lachen“, maskenartige, grinsende Verzerrung der Gesichtsmuskulatur (typisches Zeichen bei ↑Tetanus) …   Das Wörterbuch medizinischer Fachausdrücke

  • Risus sardonicus — Sardonisk latter, krampagtig smilen ved stivkrampe …   Danske encyklopædi

  • risus sardonicus — an abnormal grinning expression resulting from involuntary prolonged contraction of facial muscles, as seen in tetanus …   The new mediacal dictionary

  • risus — /rīˈsəs or rēˈsŭs/ noun 1. A laugh 2. A grin ORIGIN: L rīsus, ūs laugh • • • risus sardonicus /sär donˈik əs or ŭsˈ/ noun (pathology) A sardonic grin, or drawing back of the corners of the mouth by spasm of the muscles, as in tetanus …   Useful english dictionary

  • sardonicus — see RISUS SARDONICUS …   Medical dictionary

  • Улыбка Сардоническая (Risus Sardonicus) — болезненное выражение лица человека, напоминающее оскал; такое выражение возникает в результате непроизвольного длительного сокращения лицевых мышц, например, при столбняке. Источник: Медицинский словарь …   Медицинские термины

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