title: [Ultrastructural alterations in skeletal muscle fibers of rate after exercise].
mesh_terms: D000818:Animals; D008297:Male; D008854:Microscopy, Electron; D009132:Muscles / Q000502:physiology / Q000648:ultrastructure*; D009210:Myofibrils / Q000648:ultrastructure; D005082:Physical Exertion; D051381:Rats