Aorticopulmonary septum

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Aorticopulmonary septum
Diagrams to show the development of the septum of the aortic bulb and of the ventricles.
Transverse sections through the aortic bulb to show the growth of the aortic septum. The lowest section is on the left, the highest on the right of the figure.
Gray's subject #135 514
Days 37
Precursor neural crest

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 development.[1] [2]

The actual mechanism of septation of the outflow tract is poorly understood, but is recognized as a dynamic process with contributions from contractile, hemodynamic, and extracellular matrix interactions.

The development of the aorticopulmonary septum is complex, and disorders of development are associated with several congenital heart defects, including:

  1. ^ Kirby ML, Gale TF, and Stewart DE. (1983). "Neural crest cells contribute to normal aorticopulmonary septation.". Science 220 (4061): 1059-61. PMID 6844926. 
  2. ^ Jiang X, Rowitch DH, Soriano P, McMahon AP, Sucov HM.. (2000). "Fate of the mammalian cardiac neural crest...journal = Development." 127 (8): 1607-16. PMID 10725237. 
  3. ^ Cardiovascular Pathology. Retrieved on 2007-10-14.

 This cardiovascular system article is a stub. You can help Wikipedia by expanding it.
v • d • e
Prenatal development/Mammalian development of circulatory system
Vascular Blood island

arteries: Dorsal aorta - Aortic arches - Vitelline arteries - Ductus arteriosus - Umbilical artery

veins: Cardinal veins - Ducts of Cuvier - Vitelline veins - Ductus venosus - Umbilical vein
Heart development Primitive heart tube: Truncus arteriosus - Bulbus cordis - Primitive ventricle - Primitive atrium - Sinus venosus
Septum primum (Ostium primum, Ostium secundum) - Septum secundum (Foramen ovale) - other septa (Endocardial cushions/Septum intermedium, Aorticopulmonary septum) - Atrial canal
Retrieved from "http://en.wikipedia.org/wiki/Aorticopulmonary_septum"
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