Intracellular fluid

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Definition

noun

The internal fluid of the cell.


Supplement

The fluid consists mainly of water, dissolved ions, small molecules, and large water-soluble molecules (such as protein).


Word origin: from L. intra "on the inside, within" + NL cellulāris, equiv. to cellul(a) live cell.

Acronym: ICF.

See also: cytosol.