Microtubules in the ventricular specialized conducting fibers of the dog heart.
D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure; D004285:Dogs; D006329:Heart Conduction System / Q000648:ultrastructure*; D006352:Heart Ventricles / Q000648:ultrastructure; D008870:Microtubules / Q000648:ultrastructure*; D009206:Myocardium / Q000648:ultrastructure; D009210:Myofibrils / Q000648:ultrastructure