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.
soluble fiber. Any dietary fiber that dissolves in water. Soluble fiber is metabolized by bacteria in the gastrointestinal tract into short chain fatty acids, which in turn nourish commensal bacteria in the gut.Examples include most fruit and vegetable fibers, e.g., pectins, barley, cereal grains, cornmeal, and oats.ny dietary fiber that dissolves in water. Soluble fiber is metabolized by bacteria in the gastrointestinal tract into short chain fatty acids, which in turn nourish commensal bacteria in the gut.