Animals 4 exocytosis 4 nonhuman 4 priority journal 4 8 cyclopentyl 1,3 dipropylxanthine 2 Adenosine 2 Adrenal Medulla 2 Calcium Channels 2 Catecholamines 2 Chromaffin Granules 2 Chromaffin cells 2 Exocytosis 2 FM2-10 2 Humans 2 Male 2 Mice 2 Motor Endplate 2 Munc13 protein 2 Munc18 protein 2 Neuromuscular Junction 2 Presynaptic Terminals 2 Receptors, Purinergic P1 2 Review 2 SNARE protein 2 Synaptic Vesicles 2 Time Factors 2 Vesicle pools 2 Vesicular Transport Proteins 2 Voltage-dependent Ca2+ channels 2 Xanthines 2