Editing Bladder (section)

== Structure ==

* '''When filled, the bladder has a capacity of ≈500 mL.'''
* '''In contrast to the male, the female bladder neck has:'''
** '''Little adrenergic innervation'''
** '''2 layers of smooth muscle, an inner longitudinal and an outer circular, external to the urethra that constitute the involuntary urethral sphincter'''
*** '''The inner longitudinal fibers converge radially to pass downward to the external meatus as the inner longitudinal layer of the urethra'''
*** '''The middle circular layer does not appear to be as robust as that of the male.'''