Absorption: The physical or physiological processes by which substances, tissue, cells, etc. take up or take in other substances or energy.

NIH MeSH · D000042Phenomena and Processes

Absorption

Definition

The physical or physiological processes by which substances, tissue, cells, etc. take up or take in other substances or energy.

MeSH classification

  • G01.015
  • G02.010
  • G03.015
  • G03.787.024
  • G07.690.725.015

Need clinical context, treatments, or patient-language explanation?

Ask GoDavaii AI about Absorption

Related concepts

Absorption, Physicochemical

The physical process of passing into, or being taken up or taken in by a substance.

Adsorption

The adhesion of gases, liquids, or dissolved solids onto a surface. It includes adsorptive phenomena of bacteria and viruses onto surfaces a…

Alpha Particles

Positively charged particles composed of two protons and two NEUTRONS, i.e. equivalent to HELIUM nuclei, which are emitted during disintegra…

Anisotropy

A physical property showing different values in relation to the direction in or along which the measurement is made. The physical property m…

Astronomical Objects

Aggregates of matter in outer space.

Astronomical Phenomena

Aggregates of matter in outer space, such as stars, planets, and comets; their properties; and the processes they undergo.

Avalanches

Mass of snow and/or ice falling down a mountain or incline.

Background Radiation

Radiation from sources other than the source of interest. It is due to cosmic rays and natural radioactivity in the environment.

Common questions about Absorption

What does Absorption mean in medicine?
The physical or physiological processes by which substances, tissue, cells, etc. take up or take in other substances or energy. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Absorption known by any other names?
Absorption is the canonical name in the MeSH vocabulary. There are no commonly used alternate names for this concept in the official NIH database.
Where does Absorption sit in the medical classification?
Absorption falls under the broader medical category "Phenomena and Processes" in the MeSH hierarchy (tree numbers: G01.015, G02.010, G03.015). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Absorption?
For a plain-language explanation of Absorption - including symptoms, treatments and what it means for an Indian patient - ask GoDavaii's Health AI. It works in 90+ languages, is free and needs no signup. Tap "Ask GoDavaii AI about Absorption" above.

Source: NIH MeSH 2026 (D000042) — National Library of Medicine, public domain. View official MeSH record ↗