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LDL concentration of vascular luminal surface at the bifurcation point was significantly higher than that in straight segments. (a) Flk1: GFP embryos at 52 h.p.f.; stills from electronic supplementary material, movie S3; embryos injected with DiI–LDL at 48 h.p.f. (n = 56/60); endothelial cells are green and DiI–LDL is red. (b) Statistical analysis of red fluorescence intensity. The location of the sample in the vessel is shown in figure 2b (ii,iv,vi); **p < 0.01.
