title: The septation of the arterial pole of the heart in the chick embryo. I. Introduction.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D006321:Heart / Q000196:embryology*; D006346:Heart Septum / Q000196:embryology; D006652:Histological Techniques; D006801:Humans; D009626:Terminology as Topic; D014338:Truncus Arteriosus / Q000196:embryology*; D014714:Vertebrates