title: Electrical activity and mechanical response in the systemic heart and the portal vein heart of Myxine glutinosa.
mesh_terms: D000200:Action Potentials; D000818:Animals; D004562:Electrocardiography; D005399:Fishes / Q000502:physiology*; D006196:Hagfishes / Q000502:physiology*; D006321:Heart / Q000502:physiology*; D008564:Membrane Potentials; D009200:Myocardial Contraction; D011169:Portal Vein; D013997:Time Factors