Definition: Protrusion of the rectal mucous membrane through the anus. There are various degrees: incomplete with no displacement of the anal sphincter muscle; complete with displacement of the anal sphincter muscle; complete with no displacement of the anal sphincter muscle but with herniation of the bowel; and internal complete with rectosigmoid or upper rectum intussusception into the lower rectum.
Other names Anus Prolapse; Rectal Prolapses; Prolapses, Rectal; Prolapses, Anus; Prolapse, Rectal; Prolapse, Anus; Anus Prolapses