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Cells from blood vessels of human umbilical cord. Histological sections of human umbilical vein (A) and artery (B) at low magnification (20x). Haematoxylin-eosin staining. hUC-MF, human umbilical cord myofibroblasts; HUAEC, human umbilical artery endothelial cells surrounding a lumen containing blood cells; HUVEC, human umbilical vein endothelial cells surrounding an empty lumen.
