thallus

thallus definition - medical

thal·lus (thălˈəs)

noun pl. thal·lus·es or thal·li (thălˈī)
A plant body or fungus undifferentiated into stem, root, or leaf.

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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