To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 5 Cell polarity defines three distinct domains in pancreatic β-cells Wan J. Gan, Michael Zavortink, Christine Ludick, Rachel Templin, Robyn Webb, Richard Webb, Wei Ma, Philip Poronnik, Robert G. Parton, Herbert Y. Gaisano, Annette M. Shewan, and Peter Thorn J Cell Sci 2017. 130:143-151; doi: 10.1242/jcs.185116 Download Original Video