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Immunohistochemical staining of VEGFxxxb and pan-VEGF in the tubules of the developing renal cortex and medulla. a, c VEGFxxxb staining was seen in the more proximal and distal regions of the convoluted tubules. Strong periluminal staining was observed in the proximal tubules and collecting ducts. b, d Similar immunohistochemical staining was observed for pan-VEGF. Scale bars = 30 μm. PT = Proximal tubule; DT = distal tubule.
