Anorectal disorders.
@article{Boe1987AnorectalD, title={Anorectal disorders.}, author={John Boe}, journal={Gastroenterology clinics of North America}, year={1987}, volume={16 1}, pages={ 1-195 } }
Sensory perception of the rectum is supplied by the pudendal nerve, which arises from pelvic branches of the S3 and S4 nerve roots. Structures proximal to the dentate line are insensate, whereas tissue distal to this boundary can be painful when damaged by trauma, infection, or inflammation. Fecal continence is maintained by motor innervation that arises from the S2 to S4 nerve roots. Defecation is the result of concomitant parasympathetic and sympathetic simulation, as well as voluntary…
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