Subluxation

Japanese: subluxation
Subluxation

…Dislocations are classified as traumatic, congenital, and pathological, but they occur when the relative relationship of the joint surfaces is disturbed due to damage or loosening of the joint capsule or ligaments, causing the joint surfaces to shift from one to the other. A complete dislocation occurs when the head of the bone (articular head) and the articular cavity that receives it are no longer in agreement, and a subluxation occurs when there is partial contact between the two surfaces. Congenital dislocations occur when the joint is dislocated from birth, and are primarily seen in the hip joint (congenital hip dislocation), but can also rarely be seen in the knee and elbow joints. …

*Some terminology explanations that mention "subluxation" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…脱臼は外傷性,先天性,病的脱臼などに区別されるが,関節包や靱帯(じんたい)などの損傷・弛緩により関節面の相対関係が乱れ,関節面の相互にずれが生じた場合をいう。骨頭(関節頭)とこれを受け入れる関節窩(か)との適合が完全に失われた場合を完全脱臼,部分的に両面の一部が接触しているときは亜脱臼subluxationと呼ばれる。先天性脱臼は生まれつき脱臼している場合で,主として股関節にみられる(先天性股関節脱臼)が,まれにはひざやひじの関節にもみられる。…

※「subluxation」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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