title: Myocardial ultrastructure of young and senescent rats.
mesh_terms: D000375:Aging; D000447:Aldehydes; D000818:Animals; D002021:Buffers; D003094:Collagen; D003239:Connective Tissue Cells; D003594:Cytoplasmic Granules / Q000032:analysis; D004727:Endothelium / Q000166:cytology; D005069:Evaluation Studies as Topic; D006056:Golgi Apparatus; D006652:Histological Techniques; D002479:Inclusion Bodies; D008247:Lysosomes; D008928:Mitochondria; D009206:Myocardium / Q000032:analysis / Q000166:cytology*; D009210:Myofibrils; D009994:Osmolar Concentration; D010477:Perfusion; D010860:Pigments, Biological / Q000302:isolation & purification; D011309:Preservation, Biological; D051381:Rats; D012508:Sarcolemma; D012519:Sarcoplasmic Reticulum
chemical_list: D000447:Aldehydes; D002021:Buffers; D010860:Pigments, Biological; D003094:Collagen