necrosis
/ne'krousis/
Học thuậtThân thiện
Definition
- Noun:
- The localized death of living cells: A pathological process in biology and medicine where cells in a specific tissue or organ die due to factors like infection, toxins, injury, or the interruption of blood supply. This is not a programmed cell death (apoptosis) but rather a result of external damage.
Usage
- Necrosis is used as a non-count noun to describe the general process or state of tissue death.
- Necrosis can be used with a modifier to specify the type or cause (e.g., coagulative necrosis, avascular necrosis).
- Example:
- Example:
Advanced Usage
- "To undergo necrosis": Describes the process where tissue begins to die.
- Without treatment, the damaged muscle began to undergo necrosis.
- "Area/Zone of necrosis": Refers to the specific region where cell death has occurred.
- The scan revealed a large area of necrosis in the liver.
Variants and Related Words
- Necrotic (adj): Pertaining to or affected by necrosis.
- The surgeon removed the necrotic tissue from the burn.
- Necrose (verb, less common): To cause or undergo necrosis.
- The toxin can necrose the surrounding cells.
Synonyms
- Cell death: A broader term that includes both necrosis and apoptosis.
- Gangrene: A type of necrosis often associated with infection and lack of blood flow, typically in a limb.
- Infarction: Tissue death (necrosis) caused by a lack of blood supply.
Related Phrases and Terms
- Avascular necrosis: Necrosis due to a loss of blood supply to a bone.
- Steroid use is a risk factor for avascular necrosis of the hip.
- Caseous necrosis: A form of necrosis with a cheese-like appearance, often associated with tuberculosis.
- The biopsy showed caseous necrosis, confirming the diagnosis.
- Liquefactive necrosis: Necrosis where dead tissue becomes liquefied, common in brain injuries or bacterial infections.
- The cerebral abscess resulted in liquefactive necrosis.
Noun
- the localized death of living cells (as from infection or the interruption of blood supply)