Intercellular fluid

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Definition

noun

The fluid found in the intercellular spaces composed of water, amino acids, sugars, fatty acids, coenzymes, hormones, neurotransmitters, salts, and cellular products.


Supplement

The intercellular fluid is the main component of the extracellular fluid (other components are plasma and transcellular fluid). It bathes and surrounds the cells of the body, and provides a means of delivering materials to the cells, intercellular communication, and removal of metabolic waste.


Synonym: tissue fluid, interstitial fluid.
See also: extracellular fluid.