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Meaning of collagen disease

col'lagen disease"

Pronunciation: [key]
— Pathol. Pathol.
  1. any of a group of diseases, as systemic lupus erythematosus, polyarteritis, scleroderma, and rheumatoid arthritis, involving inflammation or degeneration of connective tissue and accompanied by deposition of fibrinous material. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.