title: Ultrastructural modifications of nexuses (gap junctions) during early myocardial ischemia.
mesh_terms: D000818:Animals; D003327:Coronary Disease / Q000473:pathology*; D004285:Dogs; D005614:Freeze Fracturing; D007365:Intercellular Junctions / Q000473:pathology / Q000648:ultrastructure*; D008854:Microscopy, Electron; D009206:Myocardium / Q000648:ultrastructure*