What does sardonicus mean?

From the Oxford English Dictionary, “A fixed, grin-like expression resulting from spasm of facial muscles, esp. Risus sardonicus causes a patient’s eyebrows to rise, eyes to bulge, and mouth to retract dramatically, resulting in what has been described as an evil-looking grin.

What is risus sardonicus?

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

How do you say the word grimace?

A friend of mine recently posted on facebook that she was surprised to hear a narrator pronounce the word “grimace” as “grim ACE”. Several others chimed in that this was clearly wrong. Everyone knows it’s pronounced “GRIM us”.

What causes risus sardonicus?

Risus sardonicus or rictus grin is a highly characteristic, abnormal, sustained spasm of the facial muscles that appears to produce grinning. It may be caused by tetanus, strychnine poisoning, or Wilson’s disease, and has been reported after judicial hanging.

What is the meaning of Opisthotonos?

Opisthotonos is a condition in which a person holds their body in an abnormal position. The person is usually rigid and arches their back, with their head thrown backward. If a person with opisthotonos lies on their back, only the back of their head and heels touch the surface they are on.

What causes Opisthotonus?

Causes. Opisthotonus is a symptom of some cases of severe cerebral palsy and traumatic brain injury or as a result of the severe muscular spasms associated with tetanus. It can be a feature of severe acute hydrocephalus, poisoning, and drowning.

Who was sardonicus?

Sardonicus is a 1961 horror film produced and directed by William Castle. It tells the story of Sardonicus, a man whose face becomes frozen in a horrifying grin while robbing his father’s grave to obtain a winning lottery ticket. Castle cited the film in his memoir as one of his favorites to produce.

Which is the best definition of Risus sardonicus?

ri·sus ca·ni·nus. the semblance of a grin caused by facial spasm, seen especially in tetanus but also in some kinds of poisoning. risus sardonicus. a wry masklike grin caused by spasm of the facial muscles, as seen in tetanus.

What are the symptoms of the curse of Risus sardonicus?

His only defense is the dying sneer of the damned, “the worst laugh I ever laughed,” Adam’s derisive curse in Expulsion, risus sardonicus. Neuropsychiatric symptoms include parkinsonian-like tremor, rigidity, clumsiness of gait, slurred speech, drooling, and inappropriate and uncontrollable grinning ( risus sardonicus ).

What is the definition of a sardonic grin?

All rights reserved. A characteristic facial expression, as of a sardonic grin, caused by spasm of the muscles of the forehead and the corners of the mouth in acute TETANUS. Want to thank TFD for its existence?