10 LIVRES EN ANGLAIS EN RAPPORT AVEC «PYGOSTYLE»
Découvrez l'usage de
pygostyle dans la sélection bibliographique suivante. Des livres en rapport avec
pygostyle et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
This is the fleshy protuberance visible at the posterior end of a bird (most commonly a chicken or turkey) that has been dressed for cooking. It has a swollen appearance because it also contains the uropygial gland that produces preen oil.
Lambert M Surhone, Mariam T Tennoe, Susan F Henssonow, 2011
2
Inner Bird: Anatomy and Evolution, The
At the end of the spine, the vertebrae are so completely fused into the pygostyle
that even passages for the lateral nerves have disappeared. Between the two
fused sections, 5 to 8 caudal vertebrae survive as independent bones to give the
tail ...
3
Mesozoic Birds: Above the Heads of Dinosaurs
Camera lucida drawing of the last free caudal vertebrae and pygostyle.
Abbreviations: cv, caudal vertebrae; vp, proximal ventral process of the pygostyle.
exposed in lateral view and proposed the presence of keellike ventral processes.
Luis M. Chiappe, Lawrence M. Witmer, 2002
4
Living Dinosaurs: The Evolutionary History of Modern Birds
The origin of short-tailed birds Despite the fact that the abbreviation of the long
skeletal tail and the evolution of a pygostyle is one of the most apparent avian
transitions and closely related to the fine-tuning of avian flight, the evolutionary ...
Dr. Gareth Dyke, Gary Kaiser, 2011
5
Coming to Peace with Science: Bridging the Worlds Between ...
First, you will remember from Thanksgiving dinners that modern birds have
something we sometimes refer to as the "parson's nose" at their tail end (officially
the structure is called a pygostyle). The pygostyle is the equivalent of a bird's tail.
The tail is supported by a few caudal vertebrae and the pygostyle, a fusion of the
last vertebrae of the vertebral column (Baumel 1979). There is considerable
variety in tail shapes and sizes. Hypotheses on the relationships between form
and ...
Caudal vertebrae The synsacrum is followed by four or five free caudal vertebrae
and a pygostyle. (/) Free caudal : The free caudal vertebrae are small and
characterized by the presence of small centrum, somewhat cylindrical transverse
...
Dr. M. C. Bhatnagar, Dr. Geeta Bansal
8
Anatomy and Physiology of Domestic Animals
Pygostyle. In some species adapted to sudden short burst of flight (Galliforms,
chicken-like birds such as chickens, turkeys, pheasants, and quail), the last
cervical vertebra and first several thoracic vertebrae fuse to form the notarium.
R. Michael Akers, D. Michael Denbow, 2013
9
Last of the Dinosaurs: The Cretaceous Period
Although consisting of only a partial postcranial skeleton, this specimen is
significant because the blunt tail of this oviraptorosaur ended with several short,
fused vertebrae, a feature interpreted by some paleontologists as that of a
pygostyle.
The distal 10 or so tail vertebrae are fused to form a pygostyle, with four or five
free vertebrae being present in addition. Rectrices are absent, and only a narrow
tuft of unspecialized feathers surrounds the pygostyle. However, some
specimens ...
M. K. Brett-Surman, Thomas R. Holtz, James Orville Farlow, 2012
10 ACTUALITÉS CONTENANT LE TERME «PYGOSTYLE»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
pygostyle est employé dans le contexte des actualités suivantes.
Comment les poulets ont perdu leur queue (qui pourrait revenir pour …
Comparé à l'embryon du 17e jour, le squelette de poulet adulte a une queue libre plus courte, et son pygostyle est composé de davantage de vertèbres ... «Sciences et Avenir, juin 15»
Prehistoric Bird Sported Feather 'Arrows' On Its Butt (VIDEO, PHOTOS)
... mx, maxilla; pub, pubes; py, pygostyle; ra, rachis; rc, right coracoid; rh, right humerus; rr, right radius; rt, right tibiotarsus; rtmt, right metatarsals; ru, right ulna; sp, ... «Headlines & Global News, juin 15»
Turkey Talk: Anatomy of the Bird at the Center of the Feast
... hollow, with considerable fusion — particularly in the pelvis, the back, and tail vertebrae (called the pygostyle), and at the end of the wing among the digits. «Live Science, nov 14»
'Chickenosaurus': paleontologist aims to re-create the dinosaur in …
Instead, they have a complicated appendage called a pygostyle, with short, fused vertebrae and connected muscles that allow them to control and fan out their ... «Sydney Morning Herald, nov 14»
Famous paleontologist Jack Horner says in less than 10 years, he …
Instead, they have a complicated appendage called a pygostyle, with short, fused vertebrae and connected muscles that allow them to control and fan out their ... «National Post, nov 14»
Paleontologist Jack Horner is hard at work trying to turn a chicken …
Instead, they have a complicated appendage called a pygostyle, with short, fused vertebrae and connected muscles that allow them to control and fan out their ... «Washington Post, nov 14»
Deinocheirus Exposed: Meet The Body Behind the Terrible Hand
Lee's team also showed that the bones at the end of Deinocheirus's tail were fused into a single structure called a pygostyle—a feature that, in modern birds, ... «National Geographic, oct 14»
The evolution of feathers
These dinosaurs have a pygostyle, with the final few vertebrae fused to form a ridged, blade-like structure. In the fossils of five types of oviraptorid — including ... «ABC Science Online, juil 14»
Shake Your Tail Bone! (and shape your skeleton, if you're a bird)
Even though the pygostyle is a pitiful-looking bone, it (and its surrounding tissues) are important for anchoring the spectacular tail feathers of many birds. In turn ... «PLoS Blogs, mars 14»
Vogelschwänze sind an Jagdmethoden angepasst
Felice RN, O'Connor PM (2014) Ecology and Caudal Skeletal Morphology in Birds: The Convergent Evolution of Pygostyle Shape in Underwater Foraging Taxa. «Tierwelt, févr 14»
