Straining, especially long-continued, ineffectual and painful straining, at stool or in urination. Straining at stool is called rectal tenesmus; straining at urination is called vesical tenesmus.
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A painful spasm of the urogenital diaphragm with an urgent desire to evacuate the bowel or bladder, involuntary straining, and the passage of little fecal matter or urine. [G. teinesmos, ineffectual effort to defecate, fr. teino, to stretch]

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te·nes·mus tə-'nez-məs n a distressing but ineffectual urge to evacuate the rectum or urinary bladder

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a sensation of the desire to defecate, which is continuous or recurs frequently, without the production of significant amounts of faeces (often small amounts of mucus or blood alone are passed). This uncomfortable symptom may be due to proctitis, prolapse of the rectum, rectal tumour, or irritable bowel syndrome.

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te·nes·mus (tə-nezґməs) [L., from Gr. teinesmos] straining, especially ineffectual and painful straining at stool or in urination. tenesmic adj

Medical dictionary. 2011.

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  • Tenesmus — Te*nes mus, n. [NL., fr. Gr. ?, fr. ? to stretch: cf. L. tenesmos.] (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… …   The Collaborative International Dictionary of English

  • Tenesmus — Tenesmus, so v.w. Stuhlzwang; T. musculorum (Anxietas extremitatum), eigenthümliche Empfindung in den Muskeln, mit leichter Angst verbunden, nöthigt dann zu halbunwillkürlichen Bewegungen od. zu unaufhörlichen Veränderungen der Lage u. Stellung;… …   Pierer's Universal-Lexikon

  • Tenésmus — (griech.), s. Stuhlzwang; T. vesicae, Harnzwang (s. d.) …   Meyers Großes Konversations-Lexikon

  • Tenésmus — (grch.), Krampf in den Schließmuskeln des Darmkanals (Stuhlzwang) und der Harnblase (Harnzwang, Harnstrenge, s.d.), der die Ausleerung des Inhalts hindert …   Kleines Konversations-Lexikon

  • Tenesmus — Tenesmus, griech. deutsch, Stuhlzwang, heißt in der Heilkunde ein häufiger und heftiger Trieb zum Stuhlgang mit spannendem, pressendem Gefühl im Mastdarm, ohne daß wirklich Stuhlgang erfolgt, höchstens etwas Schleim oder Blut, so bei Ruhr,… …   Herders Conversations-Lexikon

  • tenesmus — 1520s, from L. tenesmos, from Gk. tenesmos “straining,” from teinein “to stretch” (see TENET (Cf. tenet)) …   Etymology dictionary

  • tenesmus — [ti nez′məs, tines′məs] n. [ML < L tenesmos < Gr teinesmos < teinein, to stretch: see THIN] Med. a feeling of urgent need to defecate or urinate, with a straining but unsuccessful effort to do so …   English World dictionary

  • Tenesmus — SignSymptom infobox Name = Rectal tenesmus ICD10 = R19.8 ICD9 = ICD9|787.99 Tenesmus is a feeling of incomplete defecation. It is experienced as an inability or difficulty to empty the bowel at defecation. It is frequently painful and may be… …   Wikipedia

  • Tenesmus — Unter dem Begriff Tenesmus (Plural: Tenesmen) versteht man schmerzhaften Stuhldrang (Tenesmus ani, Tenesmus alvi, Stuhlzwang) schmerzhaften Harndrang (Tenesmus vesicae) Diese Seite ist eine Begriffsklärung zur Unterscheidung mehre …   Deutsch Wikipedia

  • Tenesmus — Te|nes|mus der; <aus nlat. tenesmus, dies nach gr. teinesmós »gespannter, harter Leib, Hartleibigkeit«> andauernder schmerzhafter Stuhl od. Harndrang (Med.) …   Das große Fremdwörterbuch

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