thallus


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Related to thallus: Thales

thallus

 [thal´us]
1. a simple plant body not differentiated into root, stem, and leaf, characteristic of mycelial fungi and some algae.
2. the actively growing vegetative organism as distinguished from reproductive or resting portions, as in fungi.

thal·lus

(thal'ŭs),
A simple plant or fungus body that is devoid of roots, stems, and leaves. The vegetative growth of a fungus.
[G. thallos, a young shoot]

thallus

(thăl′əs)
n. pl. thalli (thăl′ī) or thal·luses
1. A plant body undifferentiated into stem, root, or leaf.
2. The main body of an alga, fungus, or lichen.

thal·lus

(thal'ŭs)
A simple plant or fungus body that is devoid of roots, stems, and leaves. The vegetative growth of a fungus.
[G. thallos, a young shoot]

thallus

1. a simple plant body not differentiated into root, stem and leaf, characteristic of mycelial fungi and some algae.
2. the actively growing vegetative organism as distinguished from reproductive or resting portions, as in fungi.
References in periodicals archive ?
Unlike damage caused by Cephaleuros spp whose thallus produces a "red-rust" on the adaxial (upper) surface of leave, the necrotic leaf regions caused by S.
Thallus erect, pseudoparenchymatous, rigid, moderately calcified, 9 cm high, forming dense mats, loses color rapidly after being exposed to light.
Lichinella nigritella is a cyanobacterial lichen characterised by a foliosefruticose thallus with deeply branched, erect, [+ or -] strap-like lobes usually densely covered by globose isidia; fruiting bodies are rarely formed.
Differences in thallus thickness or toughness were easily discernible by eye and by feel among the 4 types of stored kelps and may have affected the ability of the sea urchins to ingest the food items.
Leptosporangiate fern gametophytes typically pass through a series of morphological stages ending in a 2-dimensional, heart-shaped thallus characterized by an apical notch.
Is it merely that the photobionts are mainly unicellular in the lichen thallus and as such have little capability for diversity and adaptation?
Of particular interest is an alga with a tape-like thallus, 2-5 mm wide and up to 5 cm long.
Thallus shrub-like or scale-like, of ascending squamules; fruiting bodies, if present, on simple to slightly branched podetia; podetia resembling resembling cups, or pointed or blunt clubs I--FRUTICOSE LICHENS 2.
We thank David Kowalski, who discovered the first thallus of Penicillus, and Chris Pederson for very able field assistance.