Making the world better, one answer at a time. Infarction is death of body tissue (also known as necrosis) due to insufficient blood or oxygen supply. Ischemia is a related term relating to the decrease in oxygen or blood supply.Gangrene is the condition resulting from bacterial invasion of an area of necrosis.hat is the medical term meaning death of bone tissue due to insufficient blood supply? Death of bone tissue to to insufficient blood supply is a subset of  osteonecrosis; this more specific condition may be called avascular  necrosis (AVN), bone infarction, as â¦ eptic necrosis, or ischemic bone  necrosis.