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risus |
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risus /ri·sus/ (ri´sus) [L.] laughter. risus sardo´nicus a grinning expression produced by spasm of facial muscles. risus [L.] laughter. risus sardonicus a grinning expression produced by spasm of the facial muscles, typical of tetanus in humans. The term is also applied to dogs with tetanus in which the lips are drawn back by muscle spasms. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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