spasm
English Thesaurus
1. (pathology) sudden constriction of a hollow organ (as a blood vessel) (noun.act)
| hypernym | : | constriction, |
| definition | : | the action or process of compressing (noun.act) |
| hyponym | : | bronchospasm, |
| definition | : | a spasm of the bronchi that makes exhalation difficult and noisy; associated with asthma and bronchitis (noun.act) |
| hyponym | : | cardiospasm, |
| definition | : | a spasm of the cardiac sphincter (between the esophagus and the stomach); if the cardiac sphincter does not relax during swallowing the passage of food into the stomach is obstructed (noun.act) |
| hyponym | : | heave, retch, |
| definition | : | an involuntary spasm of ineffectual vomiting (noun.act) |
| hyponym | : | laryngismus, |
| definition | : | laryngeal spasm caused by the sudden contraction of laryngeal muscles (noun.act) |
| domain category | : | pathology, |
| definition | : | the branch of medical science that studies the causes and nature and effects of diseases (noun.cognition) |
2. a painful and involuntary muscular contraction (noun.state)
| hypernym | : | symptom, |
| definition | : | (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease (noun.state) |
| hyponym | : | charley horse, charley-horse, |
| definition | : | a muscular cramp (especially in the thigh or calf) following vigorous exercise (noun.state) |
| hyponym | : | graphospasm, writer's cramp, |
| definition | : | muscular spasms of thumb and forefinger while writing with a pen or pencil (noun.state) |
| hyponym | : | blepharospasm, |
| definition | : | spasm of the eyelid muscle resulting in closure of the eye (noun.state) |
| hyponym | : | crick, kink, rick, wrick, |
| definition | : | a painful muscle spasm especially in the neck or back (`rick' and `wrick' are British) (noun.state) |
| hyponym | : | myoclonus, |
| definition | : | a clonic spasm of a muscle or muscle group (noun.state) |
| hyponym | : | opisthotonos, |
| definition | : | severe spasm in which the back arches and the head bends back and heels flex toward the back (noun.state) |
| hyponym | : | twitch, twitching, vellication, |
| definition | : | a sudden muscle spasm; especially one caused by a nervous condition (noun.state) |
| hyponym | : | tenesmus, |
| definition | : | painful spasm of the anal sphincter along with an urgent desire to defecate without the significant production of feces; associated with irritable bowel syndrome (noun.state) |
| hyponym | : | trismus, |
| definition | : | prolonged spasm of the jaw muscles (noun.state) |
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