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avascular necrosis
noun
: necrosis of bone tissue due to impaired or disrupted blood supply (as from traumatic injury or disease)
Examples of avascular necrosis in a Sentence
Recent Examples on the Web
The 41-year-old Puerto Rico native revealed over the weekend that she was diagnosed with avascular necrosis — a condition that results in the death of bone tissue after a loss of blood supply — following treatment for cancer.
—Joey Nolfi, EW.com, 7 Nov. 2022
Portillo was afraid of catching the coronavirus, given his preexisting health conditions — HIV and avascular necrosis, a disease that has degraded his bone tissue — and isolated himself for months.
—Washington Post, 23 July 2021
Eddie had been diagnosed with avascular necrosis in his hip.
—Washington Post, 6 Oct. 2020
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Word History
First Known Use
1953, in the meaning defined above
Time Traveler
The first known use of avascular necrosis was
in 1953
Dictionary Entries Near avascular necrosis
Cite this Entry
“Avascular necrosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/avascular%20necrosis. Accessed 22 Dec. 2024.
Medical Definition
avascular necrosis
noun
: 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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