affected by necrosis; consisting of or showing dead tissue (often used of tissue that has died because of injury, infection, or loss of blood supply).

壊死の影響を受けた・死んだ組織を示す（けが、感染、または血流不足で死んだ組織）

relating to or characteristic of necrosis as a process (describing conditions, changes, or agents associated with tissue death).

壊死という過程に関する・壊死に関連する性質を示す