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Articular bone
・ Articular branches of descending genicular artery
・ Articular capsule of the humerus
・ Articular capsule of the knee joint
・ Articular cartilage damage
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・ Articular church
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・ Articular disk of sternoclavicular articulation
・ Articular disk of the temporomandibular joint
・ Articular processes
・ Articular tubercle
・ Articularis cubiti muscle


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Articular bone : ウィキペディア英語版
Articular bone

The articular bone is part of the lower jaw of most tetrapods, including most fish, amphibians, sauropsids ("reptiles" + birds) and the mammal-like reptiles. In these animals it is connected to two other lower jaw bones, the suprangular and the angular. It forms the jaw joint by articulating with the quadrate bone of the skull.
In mammals, the articular bone has migrated to the middle ear to become the malleus, while the quadrate bone becomes the incus. Paleontologists regard this modification as the defining characteristic of mammalian fossils.
==See also==

*Evolution of mammalian auditory ossicles

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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