Trismus

(triz'-mus). Spasm of the muscles of mastication, the condition commonly called lockjaw, a tetanic condition of the muscles of mastication. T. capi stratus, a condition in which the jaws cannot be separated because of adhesions between the cheeks and the gums, following ulceration of the parts. T. catarrhal is maxillar is, neuralgia of the jaw. T. of Cerebral Origin, persistent spasm of the muscles of the lower jaw, due to cerebral disease. T. cynic us, risus sardonic us. T. dolorific us, tic douloureux. T. maxillar is. See T. catarrhal is maxillar is. T. nascentium. See Tetanus neon a to rum. T. neon a to rum, a form of tetanus only met with in infants, almost invariably occurring in the first five days of life. It is a very fatal disease, and the more so the earlier it appears. It is marked by frequent convulsions occurring in paroxysms, with rigidity ot the muscles and an involvement of the muscles of the mouth and throat, causing inability to swallow. It is po ibly due to some form of infection at birth. T. sardonic us. See T. cynic us. T., Traumatic, trismus following a wound or injury. T. uteri, trismus occurring during and as a result of the puerperium.