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.
The internal urethral sphincter is a smooth muscle located at the neck of the urinary bladder and surrounds the opening of the urethra. It helps in controlling the flow of urine from the bladder to the urethra.
bladder sphincter
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
The sphincter muscle closes like a rubber band around the opening of the bladder to prevent urine from leaking out. This muscle is controlled by nerves and can be consciously relaxed or contracted to release or hold urine in the bladder.
A sphincter is basically a ring shape of muscle usually at the end of a hollow organ in the body such as the bladder or encircling an opening from the body such as the anus. In its contracted state it will hold back the contents and when voluntarily relaxed itr will release them. The bladder (part of the urinary system) is controlled by a sphincter.
Cancer of the bladder; neurogenic sources of bladder dysfunction; bladder sphincter detrusor overactivity that causes continual urge incontinence; chronic inflammatory diseases of the bladder; tuberculosis; and schistosomiasis.
Bile is produced in the liver and stored in the gall bladder. The presence of lipids in the duodenum causes the release of bile. Ultimately the liver and gall bladder control the release of bile.