| 释义 |
Cynic spasm
| (Med.) | a convulsive contraction of the muscles of one side of the face, producing a sort of grin, suggesting certain movements in the upper lip of a dog. | (Med.) | See under Cynic. |
See also: Cynic, Spasm EncyclopediaSeespasmcynic spasm
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]cynic spasmSpasm of the facial muscles causing a grin or snarl like a dog. Synonym: risus sardonicusSee also: spasm |