uredinium

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uredinium

(yo͝or′ĭ-dĭn′ē-əm) also

uredium

(yo͝o-rē′dē-əm)
n. pl. ure·dinia (-dĭn′ē-ə) also ure·dia (-dē-ə)
A reddish pustulelike structure that is formed in the tissue of a plant infected by a rust fungus and produces urediniospores.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.