Dittrich's plug

Ditt·rich's plug

(dĭt′rĭks)
n.
Any of the minute, grayish, ill-smelling masses of bacteria and fatty acid crystals in the sputum in pulmonary gangrene and fetid bronchitis.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.