词根词缀：gangren-

【来源及含义】Greek: an eating, or gnawing, sore ending in mortification, necrosis, or the death of bodily tissue; usually the result of ischemia or the loss of blood supply to the affected area, bacterial invasion, and subsequent putrefaction

【同源单词】dry gangrene, gangrenate, gangrene, gangrenosis, gangrenous, gangrenous cellulitis