title: The septation of the arterial pole of the heart in the chick embryo. IV. Discussion.
mesh_terms: D000818:Animals; D001158:Arteries / Q000196:embryology; D002642:Chick Embryo; D003331:Coronary Vessels / Q000196:embryology*; D006321:Heart / Q000196:embryology*; D006346:Heart Septum / Q000196:embryology; D006351:Heart Valves / Q000196:embryology; D006352:Heart Ventricles / Q000196:embryology; D013997:Time Factors; D014338:Truncus Arteriosus / Q000033:anatomy & histology