basidium

basidium
A cell or spore-bearing organ usually club-shaped that is characteristic of the Basidiomycota. It bears basidiospores externally after karyogamy and meiosis. It is composed of a swollen terminal cell situated on a slender stalk, and gives rise to slender filaments (sterigmata), usually four in number, from the ends of which the basidiospores are developed. [L., fr G. basis, base]

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ba·sid·i·um bə-'sid-ē-əm n, pl -ia -ē-ə a structure on a basidiomycete in which karyogamy occurs followed by meiosis to form usu. four basidiospores

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ba·sid·i·um (bə-sidґe-əm) pl. basidґia [Gr. basis base] the clublike organ of the fungal class Basidiomycotina which, following karyogamy and meiosis, bears the basidiospore.

Medical dictionary. 2011.

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  • Basidium — Ba*sid i*um, n. [NL., dim. of Gr. ba sis base.] (Bot.) A special oblong or pyriform cell, with slender branches, which bears the spores in that division of fungi called Basidiomycetes, of which the common mushroom is an example. [1913 Webster] …   The Collaborative International Dictionary of English

  • basidium — basidium. См. базидий. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • basidium — [bə sid′ē əm] n. pl. basidia [bə sid′ēə] [ModL < Gr basis,BASIS + ModL dim. suffix idium] Bot. any of a number of oblong cells in basidiomycetous fungi, bearing a definite number of external spores (usually four) on short, slender stalks… …   English World dictionary

  • Basidium — A basidium (pl., basidia) is a microscopic, spore producing structure found on the hymenophore of fruiting bodies of basidiomycete fungi. The presence of basidia is one of the main characteristic features of the Basidiomycota. A basidium usually… …   Wikipedia

  • Basidium — Basidien (Singular: Basidie oder Basidium) sind die Meiosporangien der Basidienpilze (Basidiomycota). Wie bei den Asci der Schlauchpilze (Ascomycetes) gibt es auch bei den Basidien unterschiedliche Formen. Die Sporen, die an Basidien entstehen,… …   Deutsch Wikipedia

  • basidium — basidial, adj. /beuh sid ee euhm/, n., pl. basidia / sid ee euh/. Mycol. a special form of sporophore, characteristic of basidiomycetous fungi, on which the sexual spores are borne, usually at the tips of slender projections. [1855 60; BAS(IS) +… …   Universalium

  • basidium — noun (plural basidia) Etymology: New Latin, from Latin basis Date: 1859 a structure on a basidiomycete in which karyogamy occurs followed by meiosis to form usually four basidiospores …   New Collegiate Dictionary

  • basidium — (bah sid e um; pl., basidia) A structure that bears on its surface a definite number of basidiospores (typically four) that are formed following karyogamy and meiosis. Basidia are found in the basidiomycetes and are usually club shaped …   Dictionary of microbiology

  • basidium — Club shaped organ involved in sexual reproduction in basidiomycete fungi (mushrooms, toadstools etc.). Bears four haploid basidiospores at its tip …   Dictionary of molecular biology

  • basidium — noun A small structure, shaped like a club, found in the Basidiomycota division of fungi, that bears four spores at the tips of small projections …   Wiktionary

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