title: Resting and active mechanical properties of trabeculae carneae from aged male rats.
mesh_terms: D000367:Age Factors; D000818:Animals; D001696:Biomechanical Phenomena; D006321:Heart / Q000502:physiology*; D006352:Heart Ventricles; D006909:Hydroxyproline / Q000032:analysis; D008297:Male; D009119:Muscle Contraction; D009206:Myocardium / Q000032:analysis; D051381:Rats; D013314:Stress, Mechanical
chemical_list: D006909:Hydroxyproline