subluxation

English

Etymology

From French subluxation, from New Latin subluxatio, from subluxare (“to subluxate, to partially displace”) + -atio (“-ation: forming abstract nouns”), from sub- (“sub-: under, below, lesser”) + luxare (“to dislocate; to displace”) after the model of Ancient Greek παράρθρημα (parárthrēma). Equivalent to sub- +‎ luxation.

Pronunciation

• (UK, US) IPA^(key): /ˌsʌb.lʌkˈseɪ.ʃən/

• Audio (US):

  (file)

Noun

subluxation (countable and uncountable, plural subluxations)

1. (pathology) A partial dislocation.

   The patient experienced subluxations of his right ulna, his lower right rear molar, and the lens of his left eye.

   • 1988, Donald Resnick, Diagnosis of Bone and Joint Disorders:

     Lateral subluxation of the atlantoaxial joints has also been observed in rheumatoid arthritis patients.

   • 2001, William Tasman, Edward A. Jaeger, The Wills Eye Hospital Atlas of Clinical Ophthalmology, Lippincott Williams & Wilkins, →ISBN, page 78:

     Many diseases and trauma are associated with lens subluxation. Clinical Features. All degrees of subluxation may be seen. Classically, iridodonesis is seen on slit lamp examination with eye movement. Phakodonesis may also be observed.

   • 2004, Michael Crocetti, Michael A. Barone, Frank A. Oski, Oski's Essential Pediatrics, Lippincott Williams & Wilkins, →ISBN, page 176:

     Subluxation of a tooth may cause bleeding and mobility of the tooth as a result of injury to the periodontal fibers. Displacement of the tooth is not usually apparent. Approximately 15 % to 20 % of reported trauma cases exhibit [it].

Related terms

• sublux
• subluxate

 

French

Pronunciation

• Audio:

  (file)

Noun

subluxation f (plural subluxations)

1. subluxation

Further reading

• “subluxation”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.