melena

melena definition - medical

me·le·na (mə-lēˈnə)

noun
The passage of black tarlike stools containing blood that has been acted on by the intestinal juices.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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