title: [Seasonal variations in the ultrastructure of cardiac muscle in frogs].
mesh_terms: D000818:Animals; D001001:Anura; D001683:Biological Clocks; D005215:Fasting; D006003:Glycogen / Q000378:metabolism*; D006651:Histocytochemistry; D050356:Lipid Metabolism; D008854:Microscopy, Electron; D009206:Myocardium / Q000166:cytology* / Q000201:enzymology; D012621:Seasons
chemical_list: D006003:Glycogen
vernacular_title: Variations saisonnières de l'ultrastructure du muscle cardiaque chez la grenouille.