the water-soluble components of cell cytoplasm, constituting the fluid portion that remains after removal of the organelles and other intracellular structures.
(sī'tə-sôl', -sŏl') The fluid component of cytoplasm, containing the insoluble, suspended cytoplasmic components. In prokaryotes, all chemical reactions take place in the cytosol. In eukaryotes, the cytosol surrounds the organelles.