avascular necrosis

noun

Definition of avascular necrosis

: necrosis of bone tissue due to impaired or disrupted blood supply (as from traumatic injury or disease)

First Known Use of avascular necrosis

1953, in the meaning defined above

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The first known use of avascular necrosis was in 1953

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Cite this Entry

“Avascular necrosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/avascular%20necrosis. Accessed 5 Jun. 2020.

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avascular necrosis

noun

Medical Definition of avascular necrosis

: necrosis of bone tissue due to impaired or disrupted blood supply (as that caused by traumatic injury or disease) and marked by severe pain in the affected region and by weakened bone that may flatten and collapse

called also aseptic necrosis, osteonecrosis

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