page_title: Aorticopulmonary septum
hierarchical_section_title: Aorticopulmonary septum
context_page_description: The aorticopulmonary septum is developmentally formed from neural crest, specifically the cardiac
  neural crest, and actively separates the aorta and pulmonary arteries and fuses with the interventricular septum within the heart during heart development.
context_section_description: The aorticopulmonary septum (also called the spiral septum, or aortic septum in older texts) is developmentally formed from neural crest, specifically the cardiac
  neural crest, and actively separates the aorta and pulmonary arteries and fuses with the interventricular septum within the heart during heart development.
caption: Diagrams to show the development of the septum of the aortic bulb and of the ventricles.
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