thalluses

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• thalluses — n. structure of cells in plant body (Botany) …   English contemporary dictionary

• thallus — noun (plural thalli or thalluses) Etymology: New Latin, from Greek thallos, from thallein to sprout; akin to Armenian dalar green, fresh, Albanian dal I come forth Date: 1829 a plant body that lacks differentiation into distinct members (as stem …   New Collegiate Dictionary

• Chlorophyta — (= Green algae) Division of algae containing photosynthetic pigments similar to those in higher plants and having a green colour. Includes unicellular forms, filaments and leaf like thalluses (eg Ulva ). Some members form coenobia, and the… …   Dictionary of molecular biology

• Phaeophyta — (= Pheophyta (USA) ; brown algae) Division of algae, generally brown in colour, with multicellular, branched thalluses. Includes large seaweeds such as Laminaria and Fucus. The brown colour is due to the xanthophylls, fucoxanthin and lutein. Many …   Dictionary of molecular biology

• thallus — /thal euhs/, n., pl. thalli /thal uy/, thalluses. Bot., Mycol. a simple vegetative body undifferentiated into true leaves, stem, and root, ranging from an aggregation of filaments to a complex plantlike form. [1820 30; < NL < Gk thallós young… …   Universalium

• thallus — /ˈθæləs / (say thaluhs) noun (plural thalli /ˈθælaɪ / (say thaluy) or thalluses) a simple vegetative plant body undifferentiated into true leaves, stem, and root, being the plant body of typical thallophytes. {New Latin, from Greek thallos young… …  

• thallus — [thal′əs] n. pl. thalli [thal′ī΄] or thalluses [ModL < Gr thallos, young shoot: see THALIA] the nonvascular plant body of a thallophyte, showing no clear distinction of roots, stem, or leaves thalloid [thal′oid΄] adj …   English World dictionary