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Pronunciation: chap′pă

Definition: A disease of unknown etiology marked by subcutaneous nodules, (ovoid, about 1-cm long), which break down, release a fatty looking material, and form ulcers; the eruption is preceded by severe muscular and articular pains.

[W. Af.]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.