The anal sphincters, along with the pelvic muscles that surround the end of the digestive tract, ensure controlled movement of digestive tract contents. There are many possible causes of fecal incontinence; in most cases, incontinence results from some combination of these causes. Critical to normal bowel function are:
Oilcloth is a tightly woven fabric, usually cotton or linen, which is then treated on one side to give it a waterproof finish. The coating traditionally was linseed oil, but is now more commercially sold with a PVC coating.
A moulding commonly used in framing oil paintings. The liner is fixed inside the frame and appears between the image and the outer frame. Generally made out of wood or some other hard material, the liner may have fabric glued down to it. [Artwork framing] Polystyrene or wood liner. Fabric-covered liner.