noun
the sphincter muscle of the urinary bladder; made up of a thickened muscular layer of bladder around the urethral opening
• Syn: ↑musculus sphincter vesicae
• Hypernyms: ↑sphincter, ↑anatomical sphincter, ↑sphincter muscle
• Part Holonyms: ↑urinary bladder
Useful english dictionary. 2012.