pygostyle
Americannoun
Other Word Forms
Etymology
Origin of pygostyle
1870–75; < Greek pȳgo- (combining form representing pȳgḗ rump) + stŷlos pillar
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The tail's anatomy enabled the scientists to rule out that it belonged to a bird because it was long and flexible and lacked a pygostyle, fused vertebrae that in birds support the tail feathers.
From Reuters ● Dec. 8, 2016
"We can be sure of the source because the vertebrae are not fused into a rod or pygostyle as in modern birds and their closest relatives," he explained.
From BBC ● Dec. 8, 2016
Such a pygostyle is absent in Archaeopteryx, Hesperornis, Tinami and Ratitae, but it occurs individually in old specimens of the ostrich and the kiwi.
From Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" by Various
The pars caudifemoralis is flat, somewhat spindle-shaped, and passes anteroventrally from the pygostyle to the femur.
From Myology and Serology of the Avian Family Fringillidae A Taxonomic Study by William B. Stallcup
The origin is tendinous from the anteroventral edge of the pygostyle, and the insertion is semitendinous on the posterolateral surface of the shaft of the femur about one-fourth its length from the proximal end.
From Myology and Serology of the Avian Family Fringillidae A Taxonomic Study by William B. Stallcup
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
