osteonecrosis; avascular necrosis; bone infarction
Medical term for bone tissue death due to loss of blood supply. Used in clinical contexts.
Osteonecrosis of the femoral head is associated with long-term steroid use.
MRI is useful for diagnosing avascular necrosis.
Compound of 骨 (bone) and 壊死 (necrosis). The term is a direct medical compound, likely a calque from Western medical terminology.