Osteonecrosis

Bone death resulting from poor blood supply to an area of bone. Also known as aseptic necrosis or avascular necrosis.
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The death of bone in mass, as distinguished from caries (“molecular death”) or relatively small foci of necrosis in bone. [osteo- + G. nekrosis, death]

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os·teo·ne·cro·sis .äs-tē-ō-nə-'krō-səs n, pl -cro·ses -.sēz necrosis of bone esp AVASCULAR NECROSIS

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os·teo·ne·cro·sis (os″te-o-nə-kroґsis) [osteo- + necrosis] necrosis of bone due to obstruction of its blood supply. Called also avascular or ischemic necrosis of bone.

Medical dictionary. 2011.

Look at other dictionaries:

  • Osteonecrosis — Cabeza de fémur, abajo del corte de cartilago en la parte superior, se puede ver la osteonecrosis Clasificación y recursos externos …   Wikipedia Español

  • osteonecrosis — f. patol. Necrosis o muerte del hueso. Medical Dictionary. 2011. osteonecrosis necrosis ósea …   Diccionario médico

  • osteonecrosis — ▪ bone tissue death also called  necrosis of bone        death of bone tissue that may result from infection, as in osteomyelitis, or deprivation of blood supply, as in fracture, dislocation, Caisson disease ( decompression sickness), or… …   Universalium

  • osteonecrosis — noun Alternative name for avascular necrosis …   Wiktionary

  • osteonecrosis — death of bony tissue, usually adjacent to a joint surface where it is enclosed by avascular cartilage. It is usually caused by loss of blood supply (avascular necrosis) due to trauma and is a definitive feature in a variety of conditions,… …   The new mediacal dictionary

  • osteonecrosis — /ˌɒstioʊnəˈkroʊsəs/ (say .osteeohnuh krohsuhs) noun Pathology the death of bone tissue from any of a number of causes, most commonly the loss of blood supply. {osteo + necrosis} …   Australian English dictionary

  • osteonecrosis — …   Useful english dictionary

  • Osteonecrosis of the jaw — Osteonecrosis of the jaws Classification and external resources Osteonecrosis of the jaw of the upper left jaw in a patient diagnosed with chronic venous insufficiency ICD 10 M …   Wikipedia

  • osteonecrosis aséptica — f. patol. Necrosis ósea causada por una alteración de tipo vascular. La más frecuente es la de la cabeza del fémur; las causas pueden ser: 1) por rotura vascular ocasionada por un traumatismo, 2) por alteraciones sanguíneas, 3) por alteraciones… …   Diccionario médico

  • Neuralgia-inducing cavitational osteonecrosis (NICO) — refers to presence of cavitations in jaw bones (mandible and/or maxilla) in conjunction with chronic facial neuralgia. The concept implies direct and causal relationship between the bone pathology (cavitations) and pain itself. Pain in this… …   Wikipedia

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