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Blood Island |
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blood island,
one of the clusters of mesodermal cells that proliferate on the outer surface of the embryonic yolk sac and give it a lumpy appearance. Blood Island A primitive mesenchymal tissue that develops into bone marrow and blood vessels Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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