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Munro's microabscess

[mən-rōz′]
n.
  1. A microscopic collection of polymorphonuclear white blood cells found in the stratum corneum in psoriasis.Munro's abscess
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.