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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Either of two mites, Dermatophagoides pteronyssinus or D. farinae, that feed on shed skin cells and produce excrement that is a common household allergen associated especially with asthma and respiratory allergies.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A microscopically small mite, of the Dermatophagoides pteronyssinus, or Dermatophagoides farinae species.


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