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exocytosis ex·o·cy·to·sis (ěk'sō-sī-tō'sĭs)
n. pl. ex·o·cy·to·ses (-sēz')
The appearance of migrating inflammatory cells in the epidermis.
A process of cellular secretion or excretion in which substances contained in vesicles are discharged from the cell by fusion of the vesicular membrane with the outer cell membrane. Also called emiocytosis.