title: A light and electron microscopic study of he heart of a crayfish, Procambarus clarkii (Giraud). II. Fine structure.
mesh_terms: D000818:Animals; D002462:Cell Membrane; D002467:Cell Nucleus; D003445:Crustacea; D003593:Cytoplasm; D004721:Endoplasmic Reticulum; D008854:Microscopy, Electron; D008928:Mitochondria; D009206:Myocardium / Q000166:cytology*; D009210:Myofibrils; D013194:Staining and Labeling