cotton-fiber embolism

[kŏtn-fī′bər]
n.
  1. An obstruction, often in small pulmonary arteries, produced by cotton fibers derived from sterile gauze used in intravenous medication or transfusion.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.