hypothallus
[hahy-puh-thal-uh s, hip-uh-]
- 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
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hypothallus
Historical Examples
The hypothallus is sometimes noticeable under some of the sporangia where closely crowded, but is not a constant feature.
The North American Slime-MouldsThomas H. (Thomas Huston) MacBride
In the centre of the fructification, next the hypothallus, the sporangia are very imperfectly differentiated.
The North American Slime-MouldsThomas H. (Thomas Huston) MacBride
The hypothallus is quite distinct, extra-marginal, and in substance like to the peridial wall.
The North American Slime-MouldsThomas H. (Thomas Huston) MacBride
Plasmodiocarp very much flattened, longitudinally creeping and reticulate or altogether widely effused; hypothallus none.
The Myxomycetes of the Miami Valley, OhioA. P. Morgan