To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 3 A cell-body groove housing the new flagellum tip suggests an adaptation of cellular morphogenesis for parasitism in the bloodstream form of Trypanosoma brucei L. Hughes, K. Towers, T. Starborg, K. Gull, and S. Vaughan J Cell Sci 2013. 126:5748-5757; doi: 10.1242/jcs.139139 Download Original Video