intrinsic sphincter deficiency
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in·trin·sic sphinc·ter de·fi·cien·cy(ISD) (in-trin'zik sfingk'tĕr dĕ-fish'ĕn-sē)
Refers to grade 3 of the stress urinary incontinence scale, which is the inability of the urethral walls to remain compressed with an increase in abdominal pressure as in straining at stool.
intrinsic sphincter deficiencyAbbreviation: ISD
Weakening of the urethral sphincter muscles, a frequent cause of stress urinary incontinence.
See also: deficiency