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Pygostyle |
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pygostyle [′pīg·ə‚stīl]
(vertebrate zoology) A specialized bone in birds which is formed by a number of fused tail vertebrae. Pygostyle in most birds (except ratites and tinamous), a bone formed from four to six concresced posterior caudal vertebrae. The pygostyle, which is a flattened vertical plate, serves to anchor the rectrices forming the tail of the bird. 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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No references found | The bird had flight-specialized shoulders and a distinctly avian adaption called the pygostyle -- a shortened set of tail vertebrae fused into one bone. Pygostyle (py), part of the tail, is at end of vertebrate column. |
Pygostyle |
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