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Allantois

From Biocrawler, the free encyclopedia.

Allantois is a part of a developing animal egg, this sac-like structure is primarily involved in respiration and excretion, and is webbed with blood vessels.

Wikipedia (http://en.wikipedia.org/wiki/Main_Page) Allantois (http://en.wikipedia.org/wiki/Allantois) version history (http://en.wikipedia.org/w/index.php?title=Allantois&action=history) GNU Free Documentation Lizenz (http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License) CC-by-sa (http://creativecommons.org/licenses/by-sa/2.5/)

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