Fig. 3From: Preclinical study of human umbilical cord mesenchymal stem cell sheets for the recovery of ischemic heart tissueMorphology and structure of the hUC-MSCs sheet. A Macro morphology of hUC-MSCs sheet; B, C Microstructure of hUC-MSCs sheet in different magnifications. Black arrows indicate hUC-MSCs and white arrows indicate ECM junctions between hUC-MSCs; D H&E histology of hUC-MSCs sheet in cross-section; Immunofluorescent staining for E fibronectin and F integrin-β1 of hUC-MSCs sheetBack to article page