<unk>  (also known as Pouch of Douglas descent) refers to a condition where the sigmoid colon descends (prolapses) into the lower pelvic cavity. This can obstruct the rectum and cause symptoms of obstructed defecation.
Sigmoidocele
Enterocele
Diverticulum
Pseudomeningocele
Lymphocele
Anal fissure
Perineal hernia
Rectocele