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Photomicrographs of kidney from a diabetic rat into which embryonic pig pancreas had been transplanted in mesentery and pig islets had been transplanted subsequently in kidney stained using anti-insulin antibody (A) or control antibody (B). Tissue was obtained 20 weeks after islet transplantation. Arrows delineate cells in the subcapsular space with β cell morphology. RC, renal capsule; PT, A and B. Scale bar: 10 μm (A).
