hypothallus
[hahy-puh-thal-uh s, hip-uh-]
|
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.
Nearby words
- hypotenuse,
- hypoth.,
- hypothalamic infundibulum,
- hypothalamohypophysial portal system,
- hypothalamus,
- hypothec,
- hypotheca,
- hypothecary,
- hypothecate,
- hypothecium
Origin of hypothallus
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for hypothallus
Plasmodiocarp very much flattened, longitudinally creeping and reticulate or altogether widely effused; hypothallus none.
The Myxomycetes of the Miami Valley, Ohio|A. P. MorganIn the centre of the fructification, next the hypothallus, the sporangia are very imperfectly differentiated.
The North American Slime-Moulds|Thomas H. (Thomas Huston) MacBrideThe hypothallus is quite distinct, extra-marginal, and in substance like to the peridial wall.
The North American Slime-Moulds|Thomas H. (Thomas Huston) MacBrideThe hypothallus is sometimes noticeable under some of the sporangia where closely crowded, but is not a constant feature.
The North American Slime-Moulds|Thomas H. (Thomas Huston) MacBride