title: Glass microelectrode studies on intramural papillary muscle cells. Description of preparation and studies on normal dog papillary muscle.
mesh_terms: D000200:Action Potentials; D000818:Animals; D004285:Dogs; D004553:Electric Conductivity; D004558:Electric Stimulation; D004594:Electrophysiology; D008564:Membrane Potentials; D008839:Microelectrodes; D009991:Oscillometry; D010210:Papillary Muscles / Q000378:metabolism / Q000502:physiology*; D011188:Potassium / Q000378:metabolism; D013997:Time Factors
chemical_list: D011188:Potassium