endothelial cell linereticulo endothelial cellsactivated endothelial cellsendothelial progenitor cellsmicrovascular endothelial cellsendothelial cells functionepithelial and endothelial cellsfenestrated endothelial cellssinusoidal endothelial cellscapillary endothelial cellsvascular endothelial cellsendothelial cell culture