(redirected from emeiocytosis)
Also found in: Medical, Encyclopedia.


n. pl. ex·o·cy·to·ses (-sēz′)
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.

ex′o·cy·tose′ (-tōs′) v.
ex′o·cy·tot′ic (-tŏt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biochemistry) a process by which material is exported from a biological cell
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌɛk soʊ saɪˈtoʊ sɪs)

the transport of matter out of a living cell by the movement of a filled vacuole to the cell membrane and the extrusion of its contents (disting. from endocytosis).
ex`o•cy•tot′ic (-ˈtɒt ɪk) ex`o•cyt′ic (-ˈsɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.