Anatomical changes with age in the heart and ductus arteriosus in the dog after birth.
D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn; D001724:Birth Weight; D001835:Body Weight; D004285:Dogs; D004374:Ductus Arteriosus, Patent; D006321:Heart / Q000033:anatomy & histology* / Q000502:physiology; D006346:Heart Septum; D006352:Heart Ventricles; D009929:Organ Size