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Noun

bladder sphincter - the sphincter muscle of the urinary bladder; made up of a thickened muscular layer of bladder around the urethral opening

urinary bladder - a membranous sac for temporary retention of urine

anatomical sphincter, sphincter, sphincter muscle - a ring of muscle that contracts to close an opening

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References in periodicals archive

If the dog tries to avoid urinating, eventually the buildup of urine in the bladder will be too much for the bladder sphincter to hold back, which will cause leakage.

When Leaks Happen: Most cases of canine incontinence have a medical cause that usually responds to treatment

Sympathetic activity increases bladder sphincter tone and inhibits detrusor activity, while the parasympathetic nervous system increases detrusor activity and decreases sphincter tone to aid in voiding.

Autonomic dysfunction: a guide for FPs

One might speculate that the muscle-relaxant effect of benzodiazepines contributed to enlargement of the bladder until a megacystis was present and that opioids induced a spasm of the urinary bladder sphincter leading to urethral obstruction [2].

Connatal Urinary Ascites in a Female Preterm

* Paraplegia involving paralysis of both lower extremities together with loss of anal and bladder sphincter control

Benefit Reduction?

But it could mean she is on the edge of becoming incontinent and her bladder sphincter is starting to weaken.

ASK the VET; Pets and their people

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