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antinuclear factor in Medicine

antinuclear factor

n.
  1. A factor present in serum having a strong affinity for nuclei and present in lupus erythematosus and rheumatic arthritis.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.