“risus”的英文意思_释义_用法

单词

risus

释义

‖ risus Path.|ˈraɪsəs|
[L. rīsus laugh, f. rīdēre to laugh.]
risus sardonicus (or † risus sardonius), an involuntary or spasmodic grin consequent on some morbid condition.
1693tr. Blancard's Phys. Dict. (ed. 2), Risus Sardonius, a Contraction of each Jaw.1794–6E. Darwin Zoon. (1801) III. 313 The corners of the mouth are frequently retracted into a disagreeable smile called risus Sardonicus.1836–9Todd's Cycl. Anat. II. 6/2 The countenance in all such cases assumes the peculiar expression or grin called risus Sardonicus.1876J. S. Bristowe Th. & Pract. Med. (1878) 518 Tetanic spasms and risus sardonicus also have occasionally been noticed in rheumatic pericarditis.

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