To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 4 Loss of fluorescence after fusion of several large recycled granules. Transient fusion ensures granule replenishment to enable repeated release after IgE-mediated mast cell degranulation Santiago Balseiro-Gomez, Juan A. Flores, Jorge Acosta, M. Pilar Ramirez-Ponce, and Eva Ales J Cell Sci 2016. 129:3989-4000; doi: 10.1242/jcs.194340 Download Original Video