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Etymology: Jean M. Charcot; Ernst V. von Leyden, German physician, 1832-1910
any of the proteinaceous crystalline structures shaped like narrow, double pyramids found in the sputum of persons suffering from asthma and found in the feces of dysentery patients. Charcot-Leyden crystals occur in association with the fragmentation of eosinophils. Also called asthma crystal, leukocytic crystal.
[Charcot; Ernest V. von Leyden, Ger. physician, 1832–1910]
A type of colorless, hexagonal, double-pointed, often needle-like crystal found in the sputum in asthma and bronchial bronchitis or in the feces in ulceration of the intestine, esp. amebiasis.