Medical Definition of autoimmune hepatitis
: chronic hepatitis occurring as a result of an immune system attack on cells of the liver
The presentation of autoimmune hepatitis is heterogeneous, and the clinical course may be characterized by periods of decreased or increased activity; thus, clinical manifestations are variable.— Edward L. Krawitt, The New England Journal of Medicine, 5 Jan. 2006
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Merriam-Webster unabridged
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