title: Maintained differentiation in rat cardiac monolayer cultures: tetrodotoxin sensitivity and ultrastructure.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002454:Cell Differentiation; D002478:Cells, Cultured; D006321:Heart / Q000187:drug effects*; D007473:Ion Channels / Q000187:drug effects; D008854:Microscopy, Electron; D009206:Myocardium / Q000648:ultrastructure; D051381:Rats; D013779:Tetrodotoxin / Q000494:pharmacology*
chemical_list: D007473:Ion Channels; D013779:Tetrodotoxin