"Arthritis, Rheumatoid" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Etiology is unknown, but autoimmune mechanisms have been implicated.
Below are MeSH descriptors whose meaning is more general than "Arthritis, Rheumatoid".
Below are MeSH descriptors whose meaning is more specific than "Arthritis, Rheumatoid".
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