caseation necrosis


caseation necrosis
caseous necrosis caseation (def. 2).

Medical dictionary. 2011.

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  • caseation — A form of coagulation necrosis in which the necrotic tissue resembles cheese and contains a mixture of protein and fat that is absorbed very slowly; occurs particularly in tuberculosis. SEE ALSO: caseous necrosis. SYN: tyrosis (2). [L. caseus,… …   Medical dictionary

  • 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

  • caseation — noun Etymology: Latin caseus cheese Date: 1866 necrosis with conversion of damaged tissue into a soft cheesy substance • caseate intransitive verb …   New Collegiate Dictionary

  • caseation — [ˌkeɪsɪ eɪʃ(ə)n] noun Medicine a form of necrosis characteristic of tuberculosis, in which diseased tissue forms a firm, dry mass like cheese. Origin C19: from med. L. caseatio(n ), from L. caseus cheese …   English new terms dictionary

  • caseation — n. the breakdown of diseased tissue into a dry cheeselike mass: a type of necrosis associated with tubercular lesions …   The new mediacal dictionary

  • caseation — ˌkāsēˈāshən noun ( s) Etymology: caseate (II) + ion : necrosis with conversion of damaged tissue into a soft cheeselike substance occurring particularly in the lesions of tuberculosis …   Useful english dictionary

  • caseous necrosis — (= caseation) The development of a necrotic centre (with a cheesy appearance) in a tuberculous lesion …   Dictionary of molecular biology

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

  • Tuberculosis — A highly contagious infection caused by the bacterium called Mycobacterium tuberculosis. Tubercles (tiny lumps) are a characteristic finding. Diagnosis may be made by skin test, which if positive should will be followed by a chest X ray to… …   Medical dictionary

  • Tuberculous lymphadenitis — is a chronic specific granulomatous inflammation with caseation necrosis.Histopathology: The characteristic morphological element is the tuberculous granuloma (caseating tubercule): giant multinucleated cells (Langerhans cells), surrounded by… …   Wikipedia