Fig. 7From: Development and in vivo validation of tissue-engineered, small-diameter vascular grafts from decellularized aortae of fetal pigs and canine vascular endothelial cellsElectron microscopy of tissue-engineered vascular grafts at 6 months post-implantation. a–d, the inner surface of vascular grafts by scanning electron microscopy; e, close connections between ECs were identified by transmission electron microscopy (TEM). f, the cell cytoplasm was rich in active organelles identified by TEM. g specific structures of ECs as seen at high magnification by TEMBack to article page