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, cheese]

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ca·se·ation .kā-sē-'ā-shən n necrosis with conversion of damaged tissue into a soft cheesy substance

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n.
the breakdown of diseased tissue into a dry cheeselike mass: a type of degeneration associated with tubercular lesions.

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ca·se·a·tion (ka″se-aґshən) [L. caseus cheese] 1. the precipitation of casein. 2. necrosis in which the tissue becomes a soft, dry, crumbly mass resembling cheese, usually caused by mycobacterial infection. Called also caseous or cheesy necrosis.

Medical dictionary. 2011.

Look at other dictionaries:

  • Caseation — Ca se*a tion, n. [Cf. F. cas[ e]ation. See {Casein}.] (Med.) A degeneration of animal tissue into a cheesy or curdy mass. [1913 Webster] …   The Collaborative International Dictionary of English

  • caseation — [kā΄sē ā′shən] n. [< L caseatus, mixed with cheese < caseus, CHEESE1 + ATION] 1. the precipitation of casein to form cheese 2. Med. a degenerative process in which tissue changes into a dry, cheeselike substance, characteristically… …   English World dictionary

  • caséation — caséification [ kazeifikasjɔ̃ ] n. f. • 1871; du lat. caseus « fromage » ♦ Didact. 1 ♦ Transformation en fromage. On trouve parfoiscaséation. 2 ♦ Méd. Développement d une nécrose caséeuse. ● caséification ou caséation nom féminin Transformation… …   Encyclopédie Universelle

  • 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 — /kay see ay sheuhn/, n. 1. Pathol. transformation of tissue into a soft cheeselike mass, as in tuberculosis. 2. Biochem. the formation of cheese from casein during the coagulation of milk. [1865 70; CASEATE + ION] * * * …   Universalium

  • caseation — noun A necrotic degeneration of tissue to a cheese like condition …   Wiktionary

  • caséation — (ka zé a sion) s. f. Terme didactique. Conversion du lait en fromage. ÉTYMOLOGIE    Voy. caséum …   Dictionnaire de la Langue Française d'Émile Littré

  • caseation — n. conversion into cheese …   English contemporary 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 — ca·se·a·tion …   English syllables

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