Term Name:	trigone of urinary bladder
Synonyms:	bladder trigone, deep trigone, dorsal bladder neck, Lieutaud's trigone, musculus trigoni vesicae profundus, trigone of bladder, trigonum vesicae, trigonum vesicae urinariae, urinary bladder trigone, vesical trigone
Definition:	the smooth triangular region of the wall of the urinary bladder formed by the two ureteral orifices and the internal urethral orifice; it is an area in which the muscle fibers are closely adherent to the mucosa
Ontology:	Cell Ontology [UBERON:0001257]