title: Resumption of contractility in the frog heart ventricle after freezing in liquid nitrogen.
mesh_terms: D000473:Alkanes; D000818:Animals; D001001:Anura; D003451:Cryoprotective Agents / Q000494:pharmacology; D004558:Electric Stimulation; D005030:Ethylenes; D005615:Freezing; D006018:Glycols / Q000494:pharmacology; D006321:Heart / Q000502:physiology*; D006352:Heart Ventricles / Q000187:drug effects; D066298:In Vitro Techniques; D009584:Nitrogen; D014021:Tissue Preservation; D016276:Ventricular Function
chemical_list: D000473:Alkanes; D003451:Cryoprotective Agents; D005030:Ethylenes; D006018:Glycols; D009584:Nitrogen