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Figure Caption
Fig. S1 Transmission electron microscopy (TEM) images of 20 dpf zebrafish. (a and b) Sections of the DA at different magnifications, (c and d) higher magnification images of the area boxed in (b). (c) IEL is evident between EC layer (dot) and MCs (asterisk); (d) three layers of MCs are present around the EC layer, (e and f) section of the posterior cardinal vein (PCV) at high magnification, (f) higher magnification of EC (dot) and MC (asterisk) boxed in (e). Only a single layer of MCs is evident around the PCV. L, lumen; IEL, internal elastic lamina. Scale bars: 10 μm.
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Reprinted from Mechanisms of Development, 126(8-9), Santoro, M.M., Pesce, G., and Stainier, D.Y., Characterization of vascular mural cells during zebrafish development, 638-649, Copyright (2009) with permission from Elsevier. Full text @ Mech. Dev.