Definition of "detrusor" []

• The smooth muscle that lines the bladder and is used to expel urine (noun)

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• "Detrol is a drug that is FDA-approved for treatment of overactive bladder (we docs like to call it detrusor instability)."
• "For, in fact, neither the bladder nor rectum ever acts voluntarily per se any more than the stomach does, and therefore the name "detrusor" urinae, as applied to the muscular coat investing the bladder, is as much a misnomer (if it be meant that the act of voiding the organ at will be dependent upon it) as would be the name "detrusor" applied to the muscular coat of the stomach, under the meaning that this were the agent in the spasmodic effort of vomiting."
• "Austin JC, Chacko SK, DiSanto M, Canning DA, Zderic SA: A male murine model of partial bladder outlet obstruction reveals changes in detrusor morphology, contractility and myosin isoform expression."