To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 Ureteric trees from mutant Tgfb2+/- (A), Bmp7-/- (B) and Spry1-/- (C) embryos (top row) compared with wild type controls (middle row) and alternative wild type comparison kidneys matched by tip number (bottom row). Branching morphogenesis in the developing kidney is governed by rules that pattern the ureteric tree James G. Lefevre, Kieran M. Short, Timothy O. Lamberton, Odyssé Michos, Daniel Graf, Ian M. Smyth, and Nicholas A. Hamilton Development 2017. 144:4377-4385; doi: 10.1242/dev.153874 Download Original Video