Necrosis
| Definition: |
A pathological process caused by the progressive degradative action of enzymes that is generally associated with severe cellular trauma. It is characterized by mitochondrial swelling, nuclear flocculation, uncontrolled cell lysis, and ultimately CELL DEATH. |
| Notes: |
IM for general or for necrotic process; NIM as coord for /pathol, with no qualif; bone necrosis = OSTEONECROSIS or OSTEORADIONECROSIS; DENTAL PULP NECROSIS; FEMUR HEAD NECROSIS; KIDNEY CORTEX NECROSIS; KIDNEY PAPILLARY NECROSIS & KIDNEY TUBULAR NECROSIS, |
Necrosis Categories.
 |
Fat Necrosis - A condition in which the death of adipose tissue results in neutral fats being split into fatty acids and glycerol. |
|
Gangrene - Death and putrefaction of tissue usually due to a loss of blood supply. |
|
Infarction - A pathological process consisting of a sudden insufficient blood supply to an area, which results in necrosis of that area. It is usually caused by a thrombus, an embolus, or a vascular torsion. |
Necrosis Definitions and Terms
MedicalGlossary.org is designed as a free, browsable resource for all. The medical terms and definitions are not intended to replace medical informaion provided by licensed healthcare professionals. Please see a doctor if you need medical assistance. Don't see the medical term you were researching? Send us an e-mail from our "about us" page. We will do our best to research and classify new medical terms in a timely manner. Our current list of medical terms is over 26,000. Data sources include the U.S. National Library of Medicine, 2004 Medical Subject Headings.
|
