Definition of Tenesmus
Tenesmus: Straining to defecate or urinate. Tenesmus refers especially to ineffectual and painful straining for an extended time. Straining to defecate is called rectal tenesmus; straining to urinate is called vesical tenesmus.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=11432
Last Editorial Review: 3/19/2012
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