cynic spasm


Also found in: Dictionary, Thesaurus, Encyclopedia.

ri·sus ca·ni·nus

(rī'sŭs kā-nī'nŭs)
The semblance of a grin caused by facial spasm, especially in tetanus.
Synonym(s): cynic spasm, sardonic grin.
[L. risus, laugh + caninus, doglike]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

cynic spasm

Spasm of the facial muscles causing a grin or snarl like a dog. Synonym: risus sardonicus
See also: spasm
Medical Dictionary, © 2009 Farlex and Partners