…The thoracic vertebrae are the most common spine affected, followed by the lumbar vertebrae. The majority of vertebrae are affected by the vertebral body, while the transverse processes, vertebral arches, articular processes, and spinous processes that form the posterior part of the vertebrae are not affected. As a result, only the anterior vertebral body of the vertebrae is crushed, and the affected vertebrae exhibit a characteristic localized kyphosis, which often protrudes sharply backward, and is called an angular kyphosis. When many vertebrae are affected and an overall kyphosis is exhibited above and below the angular kyphosis, the patient appears as a hunchback, or hunchback. … *Some of the terminology that refers to "angular kyphosis" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…脊椎のなかでは胸椎に発症するものが最も多く,腰椎がこれに次ぐ。脊椎骨のうち,椎体の侵されるものが大半を占め,脊椎骨の後方部分を形成する横突起,椎弓,関節突起,棘(きよく)突起などは侵されにくいので,脊椎骨全体として前方の椎体のみ圧潰され,そのため罹患椎部は特徴ある限局した後彎(こうわん)を呈し,とがって後方に突出することが多く,角状後彎と呼称される。数多くの脊椎骨が罹患し,角状後彎の上下に全体として後彎を呈すると亀背,いわゆる〈せむし〉となる。… ※「角状後彎」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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