Tissue necrosis is commonly known as cell death. It occurs when cells become damaged or deprived of oxygen and nutrients. Some synonyms for tissue necrosis include necrobiosis, necrosis, cell death, and tissue death. Necrobiosis is a medical term that refers to the death of cells in a living organism, while necrosis is cell death due to an infection or injury. Cell death is the termination of a cell's biological activity, and tissue death is the death of a group of cells. These terms are commonly used in medical literature and are important to understand when discussing the damage and repair of bodily tissues.