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Notarium or os dorsale is a bone consisting of the fused vertebra of the shoulder in birds and some pterosaurs. The structure helps brace the chest against the forces generated by the wings. In birds, the vertebrae are only in contact with adjacent vertebrae and ribs, while in some pterosaurs the notarium articulates with the scapula.
Vocal Bird anatomy: Birds produce sounds through the air that passes through the Syrinx, which is shown close up in the bottom right. In order for birds to produce sound, they use an organ located above the lungs called the syrinx , which is composed of tracheal rings, syringeal muscles, Tympaniform membrane, and internal bony structures that ...
In birds (and generally theropods and related animals), the entire unit is rigid and called scapulocoracoid. This plays a major role in bird flight . In other dinosaurs , the main bones of the pectoral girdle were the scapula (shoulder blade) and the coracoid, both of which directly articulated with the clavicle .
Pages in category "Bird anatomy" The following 66 pages are in this category, out of 66 total. This list may not reflect recent changes. ...
Dia Dipasupil/Getty Images Angelina Jolie debuted a bold new tattoo at the 2024 Tony Awards. The 49-year-old actress walked the Sunday, June 16, red carpet in New York City in a strapless velvet ...
A number of birds have spurs on their feet or legs, usually formed from the lower portion of the tarsometatarsus bone. Best known are the spurs on chicken, though most galliform birds bear spurs. The spurs are mostly found in males, and used in mating competition or territory defence. Some birds have spurs on the wings rather than the legs.
Bruce Glikas/Getty Images. Angelina Jolie and her daughter Vivienne attend the opening night of "The Outsiders" at The Bernard B. Jacobs Theatre on April 11, 2024 in New York City.
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