Standard Lemma guide

detrusor

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /dɪˈtɹuː.sə/
  • General-American: /dɪˈtɹuː.zɚ/
  • General-American: /dɪˈtɹuː.sɚ/
  • rhymes with -uːsə(ɹ)
  • rhymes with -uːzə(ɹ)

1

noun

Meaning 1

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.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

Examples

  • 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.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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

Across languages

Translations

3 source translations are retained for this English entry.

  • French: détrusor — smooth muscle in the wall of the bladder
  • Indonesian: detrusor — smooth muscle in the wall of the bladder
  • Italian: detrusore — smooth muscle in the wall of the bladder