name: calcium-ion regulated exocytosis
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def: "The release of intracellular molecules (e.g. hormones, matrix proteins) contained within a membrane-bounded vesicle by fusion of the vesicle with the plasma membrane of a cell, induced by a rise in cytosolic calcium-ion levels." [GOC:go_curators]
comment: Note that the calcium regulated exocytosis pathway can be leaky: some level of exocytosis via this pathway occurs spontaneously. This phenomenon underlies spontaneous neurotransmitter release from presynapses. This phenomenon is distinct from the unregulated, calcium independent exocytosis pathway.
synonym: "calcium ion-dependent exocytosis" EXACT 
is_a: GO:0045055 ! regulated exocytosis
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Pages in category "GO:0017156 ! calcium-ion regulated exocytosis"
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