The influence of aging and growth on the postnatal development of cardiac muscle in rats.
D000375:Aging; D000818:Animals; D000831:Animals, Newborn; D001835:Body Weight; D002452:Cell Count; D006321:Heart / Q000033:anatomy & histology / Q000254:growth & development*; D024510:Muscle Development; D009132:Muscles / Q000166:cytology; D009929:Organ Size; D051381:Rats; D014867:Water
D014867:Water