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a) PAR image of the trunk of a 5 dpf casper zebrafish. b) PA image of the trunk vasculature acquired simultaneously with a). c) Composite PAR/PA image. d) PA images at different depths within the larva. The scale bar in c) is 50 μm. Ms = Myosepta, M = Myotome, C = Central canal, N = Notochord, Y = Yolk, DLAV = Dorsal longitudinal anastomotic vessel, SV = Intersegmental vein, SA = Intersegmental artery, DA = Dorsal aorta, PCV = Posterior cardinal vein.
