<unk>  refers to "the falling down or slipping of a body part from its usual position or relations". It is derived from the Latin pro- - "forward" + labi - "to slide".<unk>  can refer to many different medical conditions other than<unk> . procidentia has a similar meaning to<unk> , referring to "a sinking or<unk>  of an organ or part". It is derived from the Latin procidere - "to fall forward". Procidentia usually refers to uterine<unk> , but<unk>  procidentia can also be a synonym for<unk> . Intussusception is defined as invagination (infolding), especially referring to "the slipping of a length of intestine into an adjacent portion". It is derived from the Latin intus - "within" and susceptio - "action of undertaking", from suscipere - "to take up".<unk>  intussusception is not to be confused with other intussusceptions involving colon or small intestine, which can sometimes be a medical emergency.<unk>  intussusception by contrast is not life-threatening. Intussusceptum refers to the proximal section of<unk>  wall, which telescopes into the lumen of the distal section of rectum (termed the intussuscipiens). What results is 3 layers of<unk>  wall overlaid. From the lumen outwards, the first layer is the proximal wall of the intussusceptum, the middle is the wall of the intussusceptum folded back on itself, and the outer is the distal<unk>  wall, the intussuscipiens.
Rectal prolapse
Pelvic organ prolapse
Anal fistula
Vesicovaginal fistula
Anal fissure
Perianal cellulitis
Rectovaginal fistula
Anorectal abscess