pustule

pustule definition - medical

pus·tule (pŭsˈcho͞ol, pŭsˈtyo͞ol)

noun
  1. A small inflamed skin swelling that is filled with pus; a pimple.
  2. A small swelling similar to a blister or pimple.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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