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terminated (neo)glycoproteins, Fc receptor

Abbreviations: LDL, low-density lipoproteins; IgA, immunoglobulin A; AMPC, o^-macroglobulin-protease complex.

Source: From Refs. 5 and 409.

Abbreviations: LDL, low-density lipoproteins; IgA, immunoglobulin A; AMPC, o^-macroglobulin-protease complex.

Source: From Refs. 5 and 409.

Compared with phagocytosis, fluid-phase pinocytic capture of molecules is relatively slower, being directly proportional to the concentration of macromolecules in the extracellular fluid. It is also dependent on the size of macromolecules; in general, lower molar mass fractions are captured faster than the higher molar mass fractions. The magnitude of the rate of capture by adsorptive pinocytosis is higher than that by fluid-phase pinocytosis and relates to the nature of substrate-membrane interactions.

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