tenesmus Meaning, Definition & Usage
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noun painful spasm of the anal sphincter along with an urgent desire to defecate without the significant production of feces; associated with irritable bowel syndrome
WordNet
Te*nes"mus noun
Etymology
NL., fr. Gr. , fr. to stretch: cf. L.Definitions
(Med.) An urgent and distressing sensation, as if a discharge from the intestines must take place, although none can be effected; -- always referred to the lower extremity of the rectum.