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Table of Contents. Absorption can be defined as the process of assimilating substances across the intestinal epithelial cells or the tissues and organs through the process of active or passive transport. This can be facilitated through diffusion or osmosis and always follows the digestion process and never precedes it.
Digestion of food is a form of catabolism, in which the food is broken down into small molecules that the body can absorb and use for energy, growth, and repair. Digestion occurs when food is moved through the digestive system. It begins in the mouth and ends in the small intestine. The final products of digestion are absorbed from the ...
Sep 24, 2024 · Absorption is the movement of digested food molecules from the digestive system into the blood (glucose and amino acids) and lymph (fatty acids and glycerol) Nutrients are absorbed in the small intestine.
Jul 15, 2021 · Adsorption and absorption are two sorption processes through which one substance attaches to another. The main difference between them is that adsorption is the adhesion of particles onto a substance, while absorption involves mass transfer into another material. But, adsorption and absorption involve other differences as well.
Absorption is not only dependent upon the characteristics of the gastrointestinal (GI) tract, but also on physicochemical properties of the drug. 1–3 Several studies have shown that absorption of drugs is regional 4,5 and pH gradient in the intestinal tract (from acidic, i.e., pH 2–3 to basic i.e., pH 8–9) has been attributed as a major influencing factor. 6,7 For example, most ...
n. 1. a. The process by which food is converted into substances that can be absorbed and assimilated by a living organism. In most animals it is accomplished in the digestive tract by the mechanical and enzymatic breakdown of foods into simpler chemical compounds. b. The ability to digest food.
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4 meanings: 1. the process of absorbing or the state of being absorbed 2. physiology a. normal assimilation by the tissues of.... Click for more definitions.
