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Dermatophagoides pteronyssinus

(dûr′mə-tŏf′ə-goidēz′ tĕr′ə-nĭ-sīnəs)
n.
  1. A cosmopolitan species of mites that are found in house dust and are a common cause of atopic asthma.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.