The death of bone tissue when the blood supply is cut off (usually as a result of trauma) is called:

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The death of bone tissue due to a lack of blood supply is called avascular necrosis. Arthrodesis is a surgical procedure to fuse two bones together, rheumatoid arthritis and osteoarthritis are both types of joint inflammation, and arthrocentesis is a diagnostic procedure to remove fluid from a joint. None of these accurately describe the death of bone tissue due to a lack of blood supply.

The Death of Bone Tissue When the Blood Supply Is