ELECTRON MICROSCOPY: VESSELS: VASCULAR: CARDIOVASCULAR: VESSEL: Capillary, continuous, non-fenestrated type. (EM-labeled); RCH/AMC954, injured (burn) rat muscle, collapsed capillary lumen. 1-endothelial cell nucleus, 2-centriole of endothelial cell, 3-skeletal muscle fiber, Arrows-collapsed lumen of capillary