Referral-A referral is an authorization from your primary care physician to see a specialist or another doctor. It does not mean your insurance company will cover the cost. Pre-approval-A pre-approval is when your insurance company OKs paying for a treatment before you take it.
112 / MARCH 2001, VOL. 46, NO. 3 The Definition of Dietary Fiber 1 âDietary fiber is the edible parts of plants or analogous carbohydrates that are resistant to digestion and ab-sorption in the human small intestine with complete or partial fermentation in the large intestine.ll nondigestible, fermentable polysaccharides, whether they are polyglucoses such as cellulose or beta-glucans, or polyfructoses such as inulin, or het-eropolymers such as arabinoxylans and arabinogalactans, or analo-gous carbohydrates, are included in the definition of dietary fiber.
In other words, eating a high-fiber diet protects health through both the intake of fiber and other essential nutrients. Soluble and insoluble fiber Fiber consists of non-starch polysaccharides, such as cellulose, dextrins, inulin, lignin, chitins, pectins, beta-glucans, waxes, and oligosaccharides. There are two broad types of fiber: soluble and insoluble.