AB	Antibody
EMT	Epithelial to Mesenchymal Transition
EV	Extracellular Vesicle
GM	Ground Module
FM	Flight Module
ILV	Intraluminal Vesicle
ISS	International Space Station
MVBs	Multivesicular Bodies
NTA	Nanoparticle Tracking Analysis
ON	Overnight
RPM	Random Positioning Machine
RT	Room temperature
r-μg	Real Microgravity
SD	Standard Deviation
SP-IRIS	Single Particle Interferometric Reflectance Imaging Sensor
s-μg	Simulated Microgravity
TME	Tumor Microenvironment