Electron microscopy of the capillary wall.
D002196:Capillaries / Q000033:anatomy & histology*; D002319:Cardiovascular System; D003331:Coronary Vessels; D006321:Heart / Q000098:blood supply*; D008854:Microscopy, Electron; D009132:Muscles / Q000098:blood supply*
CAPILLARIES/anatomy and histology; HEART/blood supply; MUSCLES/blood supply