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Definition of Tenesmus
1. 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.
Definition of Tenesmus
1. n. 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.
Definition of Tenesmus
1. an urgent but ineffectual effort to defecate or urinate [n -ES] : TENESMIC [adj]
Medical Definition of Tenesmus
1.