- micropinocytosis
- mi·cro·pi·no·cy·to·sis .mī-krō-.pī-nō-.sī-'tō-səs n, pl -to·ses -'tō-.sēz the incorporation of macromolecules or other chemical substances into cells by membrane invagination and the pinching off of relatively minute vesicles
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mi·cro·pino·cy·to·sis (mi″kro-pin″o-si-toґsis) the taking up into a cell of specific macromolecules by invagination of the plasma membrane which is then pinched off, resulting in small vesicles in the cytoplasm; cf. macropinocytosis.
Medical dictionary. 2011.