risus caninus

(redirected from canine spasm)

ri·sus ca·ni·nus

(rī'sŭs kā-nī'nŭs),
the semblance of a grin caused by facial spasm, seen especially in tetanus but also in some kinds of poisoning.
[L. risus, laugh + caninus, doglike]

risus caninus

[rī′səs]
Etymology: L, risus, laughter, caninus, doglike
a grinning facial distortion caused by tension in the occipitofrontalis and other facial muscles as a result of tetanus.

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]
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