title: Growth of the rat heart. Left ventricular morphology and sarcomere lenghts.
mesh_terms: D000367:Age Factors; D000818:Animals; D001835:Body Weight; D006321:Heart / Q000033:anatomy & histology* / Q000254:growth & development; D006352:Heart Ventricles / Q000033:anatomy & histology; D008297:Male; D009929:Organ Size; D051381:Rats