Ultrastructure of the human atrioventricular node.
D002462:Cell Membrane; D002467:Cell Nucleus; D006329:Heart Conduction System / Q000166:cytology*; D006801:Humans; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle; D009206:Myocardium / Q000166:cytology; D009210:Myofibrils; D009940:Organoids; D011689:Purkinje Cells; D012849:Sinoatrial Node