detrusor

D2E1T1R1U1S1O1R1
UK/dɪˈtɹuː.sə/US/dɪˈtɹuː.zɚ/US/dɪˈtɹuː.sɚ/

noun

A smooth muscle in the wall of the bladder that relaxes to allow urine to be stored and contracts to expel it; often used attributively.

UncommonScrabble 9

Meanings

noundetrusor (plural detrusors or detrusores)

plural detrusors · plural detrusores

  1. anatomyA smooth muscle in the wall of the bladder that relaxes to allow urine to be stored and contracts to expel it; often used attributively.

    2009, Christopher R. Chapple, Scott A. MacDiarmid, Anand Patel, Urodynamics Made Easy, Elsevier (Churchill Livingstone), 3rd Edition, page 88, During voiding the patient's bladder should empty completely with a maximum detrusor pressure of 25–50 cm H₂O.

    2 more examples

    The brain contains multiple centers that modulate detrusor control. Although the exact mechanism remains unclear, the net effect of the brain's influence on the bladder is to inhibit detrusor contractions until an appropriate time and place for urination.

    1998, Bonny L. Johnson, Jody Gross, editors, Handbook of Oncology Nursing, 3rd edition, Jones & Bartlett, page 559

    Detrusor overactivity is defined by the ICS as a urodynamic observation characterised by involuntary detrusor contractions during the filling phase which may be spontaneous or provoked.

    2004, Nico J. M. Rijkhof, “Chapter 7.4: Emerging FES Applications for Control of the Urinary Bladder”, in Kenneth W. Horch, Gurpreet S. Dhillon, editors, Neuroprosthetics: Theory and Practice, World Scientific, page 1057

Origin

From Latin dētrūdō (“to thrust, drive, or force away”) + -or, from dē- (“away, out”) + trūdō (“to thrust, to push, to drive”).

Full word history & related roots →

Translations

French détrusor
  • détrusorsmooth muscle in the wall of the bladder
Indonesian detrusor
  • detrusorsmooth muscle in the wall of the bladder
Italian detrusore
  • detrusoresmooth muscle in the wall of the bladder

Rhymes & wordplay

Rhymes with detrusor

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Cite this entry
APA

detrusor. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/detrusor

MLA

“detrusor.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/detrusor. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “detrusor,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/detrusor.

Source: detrusor on Wiktionary, CC BY-SA 4.0.