<P> Pork ribs are a cut of pork popular in Western and Asian cuisines . The ribcage of a domestic pig, meat and bones together, is cut into usable pieces, prepared by smoking, grilling, or baking--usually with a sauce, often barbecue--and then served . </P> <P> Several different types of ribs are available, depending on the section of rib cage from which they are cut . Variation in the thickness of the meat and bone, as well as levels of fat in each cut, can alter the flavor and texture of the prepared dish . The inner surface of the rib cage is covered by a layer of connective tissue (pleura) that is difficult to cook tender; it is usually removed before marinating or cooking . </P>

St louis vs baby back vs spare ribs