Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The secretion of substances through cellular membranes, either to excrete waste products or as a regulatory function

Etymologies

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