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Dorsal_aorta
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Dorsal aorta
Each primitive aorta receives anteriorly a vein—the vitelline vein—from the yolk-sac, and is prolonged backward on the lateral aspect of the notochord under the name of the dorsal aorta.
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.
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This article is licensed under the GNU Free Documentation License.
Last updated on Saturday October 04, 2008 at 14:41:50 PDT (GMT -0700)
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This article is licensed under the GNU Free Documentation License.
Last updated on Saturday October 04, 2008 at 14:41:50 PDT (GMT -0700)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation
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