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
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
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
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
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
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
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
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
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...
5 KB (548 words) - 18:28, 21 April 2024