canker

canker
1. In cats and dogs, acute inflammation of the external ear and auditory canal. See aphtha. 2. In the horse, a process similar to but more advanced than thrush; the horny frog is generally underrun with a whitish, cheeselike exudate, and the entire sole and even the wall of the hoof may be undermined. [L. cancer, crab, malignant growth]
- water c. SYN: noma.

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can·ker 'kaŋ-kər n
1 a ) (1) an erosive or spreading sore (2) obs GANGRENE
b) CANKER SORE
2 a) a chronic inflammation of the ear in dogs, cats, or rabbits esp a localized form of mange
b) a chronic and progressive inflammation of the deep horn-producing tissues of the frog and sole of the hooves of horses resulting in softening and destruction of the horny layers

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can·ker (kangґkər) 1. an ulceration, especially of the oral mucosa. 2. a disease of the keratogenous membrane in horses, usually in the hindlimb, with loss of function of horn-secreting cells and discharge of a serous exudate in place of the normal horny hoof; it begins at the frog and extends to the sole and wall. 3. otitis externa in a dog or cat.

Medical dictionary. 2011.

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