Figure 2B. Copyright: Reprinted with permission from Elsevier from [doi:10.1016/S0925-4773(00)00514-1] Mech Dev 100: 141-4, Kusumi K; Dunwoodie SL; Krumlauf R, Dynamic expression patterns of the pudgy/spondylocostal dysostosis gene Dll3 in the developing nervous system. Copyright 2001.