title: Ultrastructure of hemangioendothelial sarcoma of bone.
mesh_terms: D001485:Basement Membrane / Q000473:pathology; D001859:Bone Neoplasms / Q000473:pathology*; D002196:Capillaries / Q000473:pathology; D002462:Cell Membrane / Q000473:pathology; D002467:Cell Nucleus; D003094:Collagen; D003097:Collateral Circulation; D005347:Fibroblasts; D006390:Hemangioendothelioma / Q000473:pathology*; D006801:Humans; D006811:Humerus / Q000473:pathology*; D007365:Intercellular Junctions; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D009130:Muscle, Smooth / Q000473:pathology; D009940:Organoids; D011884:Radius / Q000473:pathology*
chemical_list: D003094:Collagen