absorption
Oxford Dictionary of Biochemistry:
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absorption
- the act or process whereby one substance, such as a gas or liquid, is taken up by or permeates another liquid or solid. Compare adsorption.
- the retention by a material of energy removed from electromagnetic radiation passing through the material.
- the removal of any form of radiation, or the reduction of its energy, on passing through matter.
- the process whereby a neutron or other particle is captured by an atomic nucleus.
(a) (in cellular physiology) the uptake of fluids by living cells or tissues.
(b) (in animal physiology) the totality of the processes involved in causing water, the products of digestion, and exogenous substances of low molecular mass such as drugs, salts, vitamins, etc. to pass from the lumen of the gastrointestinal tract into the blood and lymph.
(c) (in plant physiology) the uptake of water and dissolved salts through the roots.- (in immunology) the process of removing a particular antibody (or antigen) from a mixture by adding the complementary antigen (or antibody) and discarding the antigen-antibody complex so formed. Compare immunosorption.
| absorptiometer, absorptance, absorbent | |
| absorption band, absorption coefficient, absorption cross-section |
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Oxford Dictionary of Biochemistry
Oxford University Press. Oxford Dictionary of Biochemistry and Molecular Biology © 1997, 2000, 2006 All rights reserved.
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