the spontaneous transfer of water-insoluble substances from plasma to the interior of cells would involve a series of steps in which the substance of interest dissociates from albumin in plasma , enters the outer half of the plasma membrane of a cell , crosses the bilayer , and then dissociates from the inner half of the plasma membrane to enter cell cytosol and diffuses to sites of its metabolism .
C0007603
plasma membrane
C0007634
cell