musculus sphincter vesicae

(redirected from internal urethral sphincter)
Also found in: Thesaurus, Medical.
Related to internal urethral sphincter: External urethral sphincter, external urethral sphincter muscle
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.musculus sphincter vesicae - the sphincter muscle of the urinary bladder; made up of a thickened muscular layer of bladder around the urethral opening
urinary bladder - a membranous sac for temporary retention of urine
anatomical sphincter, sphincter, sphincter muscle - a ring of muscle that contracts to close an opening
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
BID for internal urethral sphincter relaxation and Bethanechol, a detrusor contracting agent @ 2mg/kg b.
Far more frequently diagnosed non-neurogenic conditions include a weak internal urethral sphincter, bladder inflammation (cystitis); the formation of stones in the urinary tract (urolithiasis); and the development of benign or cancerous growths (neoplasms) in the tissue lining the bladder.
(3.) Ageing results in loss of muscle fibres in both the external and internal urethral sphincters. They are less responsive to stimulation, slower to contract and contractions are weaker.