thick-walled cell

См. также в других словарях:

• queen cell — noun : one of the large irregular thick walled special cells usually attached to the base of a brood comb in which the larvae of the queen bees are reared …   Useful english dictionary

• nostoc — /nos tok/, n. any freshwater, blue green alga of the genus Nostoc, often occurring in jellylike colonies in moist places. [1640 50; < NL, coined by Paracelsus] * * * Any of the cyanobacteria that make up the genus Nostoc. The cells are arranged… …   Universalium

• blue-green algae — Biol. a widely distributed group of predominantly photosynthetic prokaryotic organisms of the subkingdom Cyanophyta, resembling phototrophic bacteria, occurring singly or in colonies in diverse habitats: some species can fix atmospheric nitrogen …   Universalium

• heterocyst — noun Date: 1872 a large transparent thick walled cell that is found in the filaments of some cyanobacteria and is the site of nitrogen fixation • heterocystous adjective …   New Collegiate Dictionary

• sclereide — sclereid or sclereide /sklērˈi id/ noun (botany) A thick walled cell • • • Main Entry: ↑sclero …   Useful english dictionary

• fungus — fungic /fun jik/, adj. funguslike, adj. /fung geuhs/, n., pl. fungi /fun juy, fung guy/, funguses, adj. n. 1. any of a diverse group of eukaryotic single celled or multinucleate organisms that live by decomposing and absorbing the organic… …   Universalium

• fern — fernless, adj. fernlike, adj. /ferrn/, n. any seedless, nonflowering vascular plant of the class Filicinae, of tropical to temperate regions, characterized by true roots produced from a rhizome, triangular fronds that uncoil upward and have a… …   Universalium

• Fern — /ferrn/, n. a female given name. * * * Any of about 10,000–12,000 species (division Filicophyta) of nonflowering vascular plants that have true roots, stems, and complex leaves and reproduce by spores. Though ferns were once classified with the… …   Universalium

• tree — treelike, adj. /tree/, n., v., treed, treeing. n. 1. a plant having a permanently woody main stem or trunk, ordinarily growing to a considerable height, and usually developing branches at some distance from the ground. 2. any of various shrubs,… …   Universalium

• Tree — /tree/, n. Sir Herbert Beerbohm /bear bohm/, (Herbert Beerbohm), 1853 1917, English actor and theater manager; brother of Max Beerbohm. * * * I Woody perennial plant. Most trees have a single self supporting trunk containing woody tissues, and in …   Universalium

• bryophyte — bryophytic /bruy euh fit ik/, adj. /bruy euh fuyt /, n. Bot. any of the Bryophyta, a phylum of nonvascular plants comprising the true mosses and liverworts. [1875 80; < NL Bryophyta name of the group; see BRYO , PHYTE] * * * Any of the green,… …   Universalium