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Medical Term:


Pronunciation: rol


  1. A mass or structure of a rounded or cylindric form created by rotation of a layer of material around its own long axis.
  2. The process by which a round entity is moved by a pressure gradient, as when leukocytes move along a blood vessel wall.
© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.