title: The fine structure of normal canine atrial myocardium, with particular reference to mitochondria.
mesh_terms: D000818:Animals; D004285:Dogs / Q000033:anatomy & histology*; D006325:Heart Atria / Q000648:ultrastructure; D008854:Microscopy, Electron; D008929:Mitochondria, Heart / Q000648:ultrastructure*; D009206:Myocardium / Q000648:ultrastructure*