anal sphincter

(redirected from External anal sphincter)
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Related to External anal sphincter: External urethral sphincter, external urethral sphincter muscle
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Fused anteriorly to the posterior vaginal wall and attached laterally to the perineal membrane and bulbocavernosus and superficial transverse perineal muscles, a significant portion of what is clinically called the perineal body is actually the muscle of the external anal sphincter.
Biofeedback therapy for chronic constipation is successful predominantly in the subset of patients who have outlet dysfunction-a paradoxical contraction of the external anal sphincter when straining.
Then, each woman underwent concentric needle EMG of the external anal sphincter.
For years, restoration meant end-to-end external anal sphincter repairs.
The internal anal sphincter should be closed with the same fine interrupted or running sutures, and the external anal sphincter should be closed using 2-0 prolonged delayed absorbable (PDS/Maxon) sutures with either an overlapping or end-to-end technique.
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