Keel (bird anatomy) - Wikipedia
A keel or carina (pl.: carinae) in bird anatomy is an extension of the sternum (breastbone) which runs axially along the midline of the sternum and extends outward, perpendicular to the plane of the ribs.
What Wildlife Workers Should Know About Avian Anatomy
2018年8月15日 · In birds, the sternum exists as a large fused structure called the keel. Unlike mammals, birds do not have a diaphragm; during inspiration they rely on the external intercostal and levator costarum muscles which move the ribs …
Bird Skeleton & Bone Structures: The Complete Anatomy
All in all, picture a streamlined skull with a bill, a long and flexible neck, a broad sternum with a pronounced keel, wings with long, thin bones and fused hand bones, and a strong pelvis and legs with long, fused bones for stability and support – that’s what a bird’s skeleton looks like.
Keel - A-Z Animals
2024年5月27日 · A keel is a projection on the sternum made from bone that serves as an anchor for the wing muscles that allow birds to fly. Summary. The keel is a bone extension runs perpendicular to the structure of the sternum and the ribs. The bony structure is necessary for birds to take flight, but not all birds with them can fly.
Keel | bird anatomy | Britannica
In flightless bird: Physical characteristics …example, flying birds have a keel—a ridge on the sternum, or breastbone, which is a main site of attachment for flight muscles. Ratites do not possess this keel, and its absence is one reason why …
Basic Avian Anatomy and Physiology - Veterian Key
2017年1月8日 · The sternal vertebrae are fused in birds to form the keel. The keel has a midline ridge which divides the pectoral muscles into right and left sides. The ridge may be a deep structure, as is seen in pigeons, raptors and Psittaciformes, allowing large pectoral muscles to attach for strong flight.
Carinatae - Wikipedia
Carinatae is the group of all birds and their extinct relatives to possess a keel, or "carina", on the underside of the breastbone used to anchor large flight muscles. Traditionally, Carinatae were defined as all birds whose sternum (breast bone) has a keel (carina). The keel is a strong median ridge running down the length of the sternum.
Locating the Elusive Keel Bone on a Turkey
2024年9月23日 · The keel bone runs along the midline of the breastbone in a triangular shape, wider at the top near the neck and tapering towards the tail. The bone itself will be gray-white or pink, depending on the age of the bird.
About: Keel (bird anatomy) - DBpedia Association
A keel or carina (plural carinae) in bird anatomy is an extension of the sternum (breastbone) which runs axially along the midline of the sternum and extends outward, perpendicular to the plane of the ribs.
Keel Bone - an overview | ScienceDirect Topics
In the industrial processing of the chicken carcass, the filleting step generates a by-product known as keel bone cartilage, which is defined as a flexible cartilage that connects the breast muscle of the chicken to the tip of the sternum.
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