Definition of Pygostyle. Meaning of Pygostyle. Synonyms of Pygostyle

Here you will find one or more explanations in English for the word Pygostyle. Also in the bottom left of the page several parts of wikipedia pages related to the word Pygostyle and, of course, Pygostyle synonyms and on the right images related to the word Pygostyle.

Definition of Pygostyle

Pygostyle
Pygostyle Py"go*style, n. [Gr. ? 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], and supports the uropigium.

Meaning of Pygostyle from wikipedia

- Pygostyle is a skeletal condition in which the final few caudal vertebrae are fused into a single ossification, supporting the tail feathers and musculature...
- partial skeleton. Baminornis is the oldest known avialan to bear a fused pygostyle. The Baminornis holotype specimen, IVPP V33259, was discovered in outcrops...
- adaptation is the fusing of bones into single ossifications, such as the pygostyle. Because of this, birds usually have a smaller number of bones than other...
- maniraptoromorphs, and this process culminated in the appearance of the pygostyle, an ossification of fused tail vertebrae. In the late Cretaceous, about...
- new group called Sauriurae. Said simply, modern birds have short, fused pygostyle tails, while Archaeopteryx retained the long tail characteristic of non-avian...
- point and ended in a pygostyle, a set of fused tail vertebrae. The only other non-avian theropod that are known to have had a pygostyle are certain oviraptorosaurs...
- quill ****s (the anchor points for wing feathers on the forelimb) or a pygostyle (the fused vertebrae at the tail tip which often supports large feathers)...
- The first element to disappear was the bony tail, being reduced to a pygostyle and the tail function taken over by feathers. Confuciusornis is an example...
- have referred to as a "pygostyle", but which Witmer found was anatomically different and evolved separately from the pygostyle of birds (a bone which...
- vibrissae around the gape. They have 13 flight feathers, no tail and a small pygostyle. Their gizzard is weak and their cae**** is long and narrow. The eye of...