title: Ultrastructure of the ventricular tissue of the hibernating ground squirrel, Citellus lateralis, in relation to the physiology of the hibernator's heart.
mesh_terms: D000717:Anatomy, Comparative; D000818:Animals; D002462:Cell Membrane; D002467:Cell Nucleus; D004721:Endoplasmic Reticulum; D006056:Golgi Apparatus; D006352:Heart Ventricles / Q000166:cytology*; D006605:Hibernation; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle; D009210:Myofibrils; D010828:Physiology, Comparative; D012508:Sarcolemma; D012589:Sciuridae; D013696:Temperature; D016276:Ventricular Function