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hypothallus

[ hahy-puh-thal-uhs, hip-uh- ]
/ ˌhaɪ pəˈθæl əs, ˌhɪp ə- /
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noun, plural hy·po·thal·li [hahy-puh-thal-ahy, hip-uh-]. /ˌhaɪ pəˈθæl aɪ, ˌhɪp ə-/.
a layer of hyphae rimming the thallus of certain lichens.
a filmlike residue at the base of the sporangia of certain slime molds.
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Origin of hypothallus

From New Latin, dating back to 1850–55; see origin at hypo-, thallus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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