title: Ultrastructure of fetal stem arteries of human placenta in normal pregnancy.
mesh_terms: D001158:Arteries / Q000648:ultrastructure*; D004727:Endothelium / Q000648:ultrastructure; D005260:Female; D006801:Humans; D007365:Intercellular Junctions / Q000648:ultrastructure; D008854:Microscopy, Electron; D009130:Muscle, Smooth / Q000648:ultrastructure; D010920:Placenta / Q000098:blood supply*; D011247:Pregnancy