By Catherine Shaffer, Ph.D.Reviewed by Chloe Barnett, BSc Exosomes are extracellular vesicles that are believed to play a role in communication between cells by transporting materials inside the vesicle. Credit: Alex_Traksel/Shutterstock.com Exosomes are released from cells upon fusion with an intermediate endocytic compartment, or a multivesicular body (MVB). When the MVB fuses with the plasma membrane surrounding...