title: The fine structure of the heart of the teleost, Pleuronectes platessa L.
mesh_terms: D000818:Animals; D003239:Connective Tissue Cells; D004699:Endocardium / Q000166:cytology; D004721:Endoplasmic Reticulum; D005399:Fishes / Q000033:anatomy & histology*; D006321:Heart / Q000294:innervation; D006325:Heart Atria / Q000166:cytology / Q000294:innervation; D006329:Heart Conduction System / Q000166:cytology; D006352:Heart Ventricles / Q000166:cytology; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle; D009206:Myocardium / Q000166:cytology*; D010275:Parasympathetic Nervous System / Q000166:cytology