circular layer of detrusor (muscle) of urinary bladder

circular layer of detrusor (muscle) of urinary bladder

[TA]

the substantial middle layer of three ill-defined, interlacing layers (the inner and outer layers being predominantly longitudinally oriented) of smooth (involuntary) muscle fibers constituting the muscle layer of the wall of the bladder.

Synonym(s): stratum circulare musculi detrusoris vesicae [TA]