单词 | pygostyle |
释义 | pygostylepygostyle(ˈpaɪɡəʊˌstaɪl)Pygostylepygostyle[′pīg·ə‚stīl]Pygostylein 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. pygostylepygostylethe upturned tip of the vertebral column of birds consisting of fused vertebrae. |
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