Extracellular vesicle
Vesicles found outside cells
Extracellular vesicles (EVs) are lipid bilayer-delimited particles that are naturally released from almost all types of cells but, unlike a cell, cannot replicate. EVs range in diameter from near the size of the smallest physically possible unilamellar liposome (around 20–30 nanometers) to as large as 10 microns or more, although the vast...