| trismus | <neurology> Motor disturbance of the trigeminal nerve, especially spasm of the masticatory muscles, with difficulty in opening the mouth, a characteristic early symptom of tetanus. Synonym: lockjaw. Origin: Gr. Trismos = grating, grinding (18 Nov 1997) |
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| trismus dolorificus | <neurology> A disorder of trigeminal nerve (cranial nerve V) dysfunction. Synonym: tic douloureux. Characterised by excruciating paroxysms of pain in the lips, gums, cheek or chin, and, very rarely, in the distribution of the eye (ophthalmic division of the trigeminal nerve). (27 Sep 1997) |
| trismus nascentium | Stiffness of the jaw muscles in neonates, usually as the beginning of tetanus neonatorum. Synonym: trismus neonatorum. (05 Mar 2000) |
| trismus neonatorum | Stiffness of the jaw muscles in neonates, usually as the beginning of tetanus neonatorum. Synonym: trismus neonatorum. (05 Mar 2000) |
| trismus sardonicus | The semblance of a grin caused by facial spasm especially in tetanus. Synonym: canine spasm, cynic spasm, risus sardonicus, sardonic grin, spasmus caninus, trismus sardonicus. Origin: L. Risus, laugh + caninus, doglike (05 Mar 2000) |