Fig. 2From: Umbilical cord mesenchymal stem cells derived extracellular vesicles can safely ameliorate the progression of chronic kidney diseasesElectron micrographs of mesenchymal stem cell-derived vesicles isolated by differential centrifugation. a before filtration (b) after filteration, (exosomes, diameter <100 nm), (microvesicles, diameter 100–1000 nm). Please notice the larger size of apoptotic vesicles compared with the other types of vesiclesBack to article page