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Additional recommended knowledge
The dorsal aortæ 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.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Dorsal_aorta". A list of authors is available in Wikipedia.|