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  1. Absorption (chemistry) - Wikipedia

    A more common definition is that "Absorption is a chemical or physical phenomenon in which the molecules, atoms and ions of the substance getting absorbed enter into the bulk phase (gas, liquid or …

  2. ABSORPTION Definition & Meaning - Merriam-Webster

    The meaning of ABSORPTION is the process of absorbing something or of being absorbed. How to use absorption in a sentence.

  3. Human digestive system - Enzymes, Absorption, Nutrients | Britannica

    Nov 27, 2025 · This may account for the selective absorption of particular substances at particular sites—for example, intrinsic-factor-bound vitamin B 12 in the terminal ileum. Such receptors may also …

  4. Absorption | definition of absorption by Medical dictionary

    1. the act of taking up or in by specific chemical or molecular action; especially the passage of liquids or other substances through a surface of the body into body fluids and tissues, as in the absorption of …

  5. What is Absorption in Biology? Definition and Process

    Aug 15, 2025 · Absorption is a biological process where substances move from an external environment or one part of an organism into its internal environment, such as cells, tissues, or organs. This …

  6. Absorption Definition - Anatomy and Physiology II Key Term | Fiveable

    Absorption is the process by which the end products of digestion are taken up into the bloodstream or lymphatic system from the digestive tract.

  7. What is absorption in biology? - California Learning Resource Network

    Jul 2, 2025 · Absorption, in its broadest biological sense, represents the process by which cells, tissues, and entire organisms assimilate substances across biological barriers, integrating them into their …

  8. Absorption: Understanding the Science Behind Its Process

    Absorption involves the incorporation of molecules into a bulk substance, while adsorption denotes the adhesion of molecules to a surface without penetrating it. The primary distinction lies in the depth of …

  9. Digestion and Absorption – Human Physiology - University of Guelph

    With your knowledge of secretions, anatomy, and directionality it is time to discuss digestion and absorption. As the food is passing through the gastrointestinal tract, with the help of muscle …

  10. Absorption - Biology Simple

    Jan 12, 2025 · Absorption refers to the process of taking in or soaking up substances, energy, or information. It occurs when a material or medium assimilates another substance or energy, leading to …