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Microvessels formed in remodeled TSBT at 7 weeks in a primate model. (A) αSMA (red) positive and (B) vWF (red) positive cells lining microvascular structures of the remodeled TSBT. Nuclei in (A, B) are blue. (C) H&E staining of remodeled wall of TSBT from a primate showing vascular structures. Scale bars: (A–C) 75 μm. αSMA, alpha smooth muscle actin; vWF, von Willebrand factor.
