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Fig. 2. Angioblasts migrate directly on top of the endodermal layer. Transverse
sections of Tg(her5:EGFP)ne2067 embryo (A-C) and
Tg(flk1:EGFP)s843; Tg(her5:EGFP)ne2067 embryo
(D-I) visualized for GFP (green) (A,D,G), ß-catenin (red) (B,E,H) and
fibronectin (blue) (C,F,I). The sections shown are at the level of the 6th
somite. White arrowheads mark migrating angioblasts localized right on top of
the endodermal layer (outlined by a broken white line). ß-Catenin
staining outlines the endodermal layer. NT, neural tube; NC, notochord.