caseous necrosis
(= caseation)
The development of a necrotic centre (with a cheesy appearance) in a tuberculous lesion.

Dictionary of molecular biology. 2004.

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  • Caseous necrosis — describes a form of biological tissue death, caseous meaning it has a cheese like appearance. The dead tissue appears as a soft and white proteinaceous dead cell mass. In caseous necrosis no histological architecture is preserved. On microscopic… …   Wikipedia

  • Necrosis — For the film, see Necrosis (film). Necrotic leg wound caused by a brown recluse spider bite Necrosis (from the Greek νεκρός, dead , νέκρωσις, death, the stage of dying, the act of killing ) is the premature death of …   Wikipedia

  • necrosis — Pathologic death of one or more cells, or of a portion of tissue or organ, resulting from irreversible damage; earliest irreversible changes are mitochondrial, consisting of swelling and granular calcium deposits seen by …   Medical dictionary

  • necrosis — mortification; n. the death of some or all of the cells in an organ or tissue, caused by disease, physical or chemical injury, or interference with the blood supply (see gangrene). Caseous necrosis occurs in pulmonary tuberculosis, the lung… …   The new mediacal dictionary

  • caseation necrosis — caseous necrosis caseation (def. 2) …   Medical dictionary

  • Coagulative necrosis — is a type of accidental cell death typically caused by ischemia or infarction. It is characterised by the ghostly appearance of cells under light microscopy in the affected area of tissue. In coagulative necrosis the architecture of dead tissue… …   Wikipedia

  • Liquefactive necrosis — (or colliquative necrosis) is a type of necrosis which results in a transformation of the tissue into a liquid viscous mass.[1] Often it is associated with focal bacterial or fungal infections. In liquefactive necrosis, the affected cell is… …   Wikipedia

  • Tubercle — A small tuber, a small lump or bump. * * * 1. A nodule, especially in an anatomic, not pathologic, sense. 2. A circumscribed, rounded, solid elevation on the skin, mucous membrane, or surface of an organ. 3. A slight …   Medical dictionary

  • degeneration — 1. Deterioration; passing from a higher to a lower level or type. 2. A worsening of mental, physical, or moral qualities. 3. A retrogressive pathologic change in cells or tissues, in consequence of which their functions are often impaired or… …   Medical dictionary

  • Tuberculosis — Classification and external resources Chest X ray of a person with advanced tuberculosis ICD 10 A …   Wikipedia

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