A small membrane-bound particle or vesicle released from the outer surface of a cell, distinct from exosomes that come from inside.
From Greek 'ektos' (outside) and 'soma' (body), literally 'outside body.' A cellular biology term from recent decades describing newly understood cell structures.
Ectosomes are like tiny message bottles your cells throw overboard—they float through your blood and body carrying signals that influence everything from immunity to disease, and we're just beginning to understand them!
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