Pygostyle describes a skeletal condition in which the final few caudal vertebrae are fused into a single ossification, supporting the tail feathers and...
9 KB (958 words) - 20:01, 29 April 2024
quill knobs (the anchor points for wing feathers on the forelimb) or a pygostyle (the fused vertebrae at the tail tip which often supports large feathers)...
36 KB (3,331 words) - 13:46, 8 June 2024
to the pygostyle. The Ornithothoraces have a ploughshare-shaped pygostyle, while the more primitive members had longer, rod-shaped pygostyles. The earliest...
8 KB (796 words) - 04:37, 25 June 2024
new group called Sauriurae. Said simply, modern birds have short, fused pygostyle tails, while Archaeopteryx retained the long tail characteristic of non-avian...
7 KB (519 words) - 11:48, 26 May 2024
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...
28 KB (3,240 words) - 13:21, 2 July 2024
Bird anatomy (section Pygostyle)
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...
82 KB (9,632 words) - 01:56, 18 July 2024
Rumpless chickens are characterised by caudal dysplasia, the absence of the pygostyle or caudal appendage – the "parson's nose". This is the result of inheritance...
4 KB (369 words) - 17:52, 7 July 2023
dorsal ribs, two sacral vertebrae, twenty-five caudal vertebrae with a pygostyle, three chevrons, an incomplete furcula and scapula, both coracoids, both...
28 KB (3,267 words) - 06:05, 7 June 2024
small, round pieces of dark meat are often considered to be a delicacy. Pygostyle (chicken's buttocks) and testicles: These are commonly eaten in East Asia...
37 KB (4,272 words) - 13:39, 12 August 2024
Caudal vertebrae compose the tail, and the final few can be fused into the pygostyle in birds, or into the coccygeal or tail bone in chimpanzees (and humans)...
43 KB (5,321 words) - 02:07, 4 September 2024