The male urethral sphincter is a striated muscle that is located at the base of the bladder. It runs from the base of the bladder to the perineal membrane.
The smooth muscle sphincter at the base of the urinary bladder closes.
A pap smear cannot damage the bladder or its sphincter. The speculum may put some temporary pressure against the bladder. The sphincter is not affected at all.
This sphincter is around the neck of the bladder. This, with the internal sphincter, control the flow of urine from the bladder.
the sphincter muscles are unable to keep the bladder closed (intrinsic sphincter deficiency, ISD).
bladder sphincter
There s the sphincter around the opening of the bladder.
sphincter
sphincter
Bladder sphincter belongs to smooth muslce, smooth muscle is an involuntary tissue which mean. we cannot control it. we cannot control our gallbladder it moves automatically.
sphincter muscles
sphincter muscles
pelvic splanchnic nerve