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February 5, 2012 |
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Allantois is a part of a developing animal embryo. This sac-like structure is primarily involved in Respiration (physiology)|respiration and excretion, and is webbed with blood vessels. It is primarily found in the blastocyst stage of early embryological development, and its purpose is to collect liquid waste from the embryo. anatomy-stub The mouse allantois is the mesodermal precurser to the mouse umbilical cord. The mouse allantois undergoes vasculogenesis to form the mature umbilical artery and vein.
Category:Embryology Category:Reproductive system ja:????????? This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Allantois".
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