title: The nomenclature of the arterial pole of the embryonic heart. IV. Discussion and conclusion.
mesh_terms: D000818:Animals; D004626:Embryology / Q000266:history*; D005060:Europe; D006321:Heart / Q000196:embryology*; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D009626:Terminology as Topic; D014481:United States