Meaning of autoimmune disease

autoimmune' disease"

Pronunciation: [key]
— Pathol. Pathol.
  1. a disease resulting from a disordered immune reaction in which antibodies are produced against one's own tissues, as systemic lupus erythematosus or rheumatoid arthritis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.