Dorsal aorta

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Dorsal aortae
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Human embryo of about fourteen days, with yolk-sac. (Dorsal aorta labeled twice at left.)
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Profile view of a human embryo estimated at twenty or twenty-one days old. (Dorsal aorta labeled at center left.)
Details
Carnegie stage 9
Identifiers
Latin aortae dorsales
Code TE E5.11.2.1.3.0.1
Anatomical terminology

The dorsal aortae are paired (left and right) embryological vessels which progress to form the descending aorta.[1] The paired dorsal aortae arise from aortic arches that in turn arise from the aortic sac.

Each primitive aorta anteriorly receives the vitelline vein from the yolk-sac, and is prolonged[clarification needed] backward on the lateral aspect of the notochord under the name of the dorsal aorta.

The dorsal aortae give branches to the yolk-sac, and are continued backward through the body-stalk as the umbilical arteries to the villi of the chorion.

The two dorsal aortae combine to become the descending aorta in later development.

References[edit]

  1. ^ http://www.embryology.ch/anglais/pcardio/arterien02.html. Retrieved 10 April 2017.  Missing or empty |title= (help)

External links[edit]