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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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More Definitions for avascular necrosis

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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