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Medical Term:


Pronunciation: perl


  1. A concretion formed around a grain of sand or other foreign body within the shell of certain mollusks.
  2. One of a number of small tough masses, mucus occurring in the sputum in asthma.

Synonym(s): keratin pearl

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.