One of the mysteries of the English language finally explained.
A form of necrosis characteristic of tuberculosis, in which diseased tissue forms a firm, dry mass like cheese in appearance.
- ‘Necrosis may be seen, however caseation is usually not present.’
- ‘Granulomas, with or without caseation, may also be found.’
- ‘Excessive fibrosis rather than caseation is the dominating feature.’
- ‘Biopsy from a peritoneal granuloma showed caseation necrosis and acid-fast bacilli.’
- ‘Both caseation and calcification are highly suggestive of a tubercular etiology, neither being common in malignancy related lymphadenopathy.’
Mid 19th century: from medieval Latin caseatio(n-), from Latin caseus ‘cheese’.
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