Figure 1B. Copyright: Reprinted with permission from Elsevier from [doi:10.1016/S0925-4773(97)00146-9] Mech Dev 69: 203-7, Valsecchi C; Ghezzi C; Ballabio A; Rugarli EI, JAGGED2: a putative Notch ligand expressed in the apical ectodermal ridge and in sites of epithelial-mesenchymal interactions Copyright 1997.