1. the sphincter muscle of the urinary bladder; made up of a thickened muscular layer of bladder around the urethral opening; [syn: bladder sphincter, musculus sphincter vesicae]
WordNet (r) 3.0 (2006):
musculus sphincter vesicae
n 1: the sphincter muscle of the urinary bladder; made up of a
thickened muscular layer of bladder around the urethral
opening [syn: bladder sphincter, musculus sphincter
vesicae]