Le Pygostyle est un os du croupion des oiseaux. Il provient de la soudure des dernières vertèbres. Il sert de support aux grandes plumes de la queue, les rectrices.

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  • Pygostyle — Py go*style, n. [Gr. pygh the rump + ? a pillar.] (Anat.) The plate of bone which forms the posterior end of the vertebral column in most birds; the plowshare bone; the vomer. It is formed by the union of a number of the last caudal vertebr[ae],… …   The Collaborative International Dictionary of English

  • Pygostyle — Pope s nose redirects here. It may also refer to the license plate light on early Volkswagen Beetles. Pygostyle refers to a number of the final few caudal vertebrae fused into a single ossification, supporting the tail feathers and musculature.… …   Wikipedia

  • pygostyle — n. [Gr. pyge, rump; stylos, pillar] (ARTHROPODA: Insecta) In Hymenoptera, small lateral setigerous processes on the 9th gastral tergite …   Dictionary of invertebrate zoology

  • pygostyle — pygostyled, adj. pygostylous, adj. /puy geuh stuyl /, n. Ornith. the bone at the posterior end of the spinal column in birds, formed by the fusion of several caudal vertebrae. [1870 75; < Gk pygo (comb. form repr. pygé rump) + stylos pillar] * *… …   Universalium

  • pygostyle — noun /ˈpaɪɡəstaɪl/ The plate supporting the tail feathers in birds, formed from fused vertebrae. Syn: parson’s nose, pope’s nose, sultan’s nose …   Wiktionary

  • pygostyle — py·go·style (piґgo stīl) a flat bone at the end of the vertebral column of birds, representing the union of several vertebrae and serving as a site of attachment for the tail feathers. Called also plowshare bone …   Medical dictionary

  • pygostyle — py·go·style …   English syllables

  • pygostyle — ˈpīgəˌstīl noun ( s) Etymology: pyg + style 1. : a plate of bone that forms the posterior end of the vertebral column in most birds and is formed by the union of vertebrae 2. obsolete : vomer …   Useful english dictionary

  • plowshare bone — pygostyle …   Medical dictionary

  • Liste ausgestorbener Vögel — Die prähistorisch im späten Quartär ausgestorbenen und meist nur unvollständig fossilisierten Vogeltaxa sind unter Spätquartäre Avifauna aufgeführt. Die seit 1500 ausgestorbenen Vogeltaxa finden sich unter Liste der neuzeitlich ausgestorbenen… …   Deutsch Wikipedia

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