pycnidium

pycnidium
pycnidial, adj.
/pik nid"ee euhm/, n., pl. pycnidia /-nid"ee euh/. Mycol.
(in certain ascomycetes and fungi imperfecti) a globose or flask-shaped fruiting body bearing conidia on conidiophores.
[1855-60; < NL < Gk pykn(ós) close, thick, dense + -idion dim. suffix]

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      variable and complex flask-shaped asexual reproductive structure, or fruiting body, in fungi (fungus) (kingdom Fungi) of the phylum Ascomycota; also a male sex-cell-producing organ in the order Uredinales (rust fungi). It bears spores (spore) (conidia) variously known as pycnidiospores, oidia, or spermatia. The spores are liberated through an opening (ostiole) in the pycnidium.

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Universalium. 2010.

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Look at other dictionaries:

  • Pycnidium — Pyc*nid i*um, n.; pl. {Pycnidia}. [NL., fr. Gr. ? crowded.] (Bot.) In certain fungi, a flask shaped cavity from the surface of the inner walls of which spores are produced. [1913 Webster] …   The Collaborative International Dictionary of English

  • pycnidium — [pik nid′ē əm] n. pl. pycnidia [pik nid′ēə] [ModL < Gr pyknos, thick, tight (< IE base * puk , to compress > Alb puth, (I) kiss, embrace) + dim. suffix idion (L idium)] a saclike spore case producing asexual spores (conidia) on the… …   English World dictionary

  • Pycnidium — A pycnidium (pl. pycnidia) is an asexual fruiting body produced by mitosporic fungi in the form order Sphaeropsidales (Deuteromycota, Coelomycetes). It is often spherical or inversely pearshaped (obpyriform) and its internal cavity is lined with… …   Wikipedia

  • Pycnidium — Pyknidien bei der Echten Becherflechte, etwa 30x vergrößert Die Pyknidien Singular Pyknidie oder Pycnidium sind kugel bis flaschenförmige Fruktifikationsformen aus der Gruppe der Schlauchpilze. Die Pyknidien ähneln sehr stark gewissen… …   Deutsch Wikipedia

  • pycnidium — noun (plural pycnidia) Etymology: New Latin, from Greek pyknos dense Date: 1857 a flask shaped fruiting body bearing conidiophores and conidia on the interior and occurring in various imperfect fungi and ascomycetes • pycnidial adjective …   New Collegiate Dictionary

  • pycnidium — pyc·nid·ium (pik nidґe əm) a flask shaped or spherical fruiting body whose inner wall is lined with conidiogenous cells …   Medical dictionary

  • pycnidium — pyc·nid·i·um …   English syllables

  • pycnidium — pyc•nid•i•um [[t]pɪkˈnɪd i əm[/t]] n. pl. nid•i•a [[t] ˈnɪd i ə[/t]] fng a flask shaped or conical fruiting body of certain fungi, containing asexual spores • Etymology: 1855–60; < Gk pykn(ós) close, thick, dense pyc•nid′i•al, adj …   From formal English to slang

  • pycnidium — /pɪkˈnɪdiəm/ (say pik nideeuhm) noun (plural pycnidia /pɪkˈnɪdiə/ (say pik nideeuh)) (in certain ascomycetes and Fungi imperfecti) an asexual (imperfect) fruit body, commonly globose or flask shaped and bearing conidia on conidiophores. {New… …  

  • pycnidium — noun flask shaped asexual structure containing conidia • Hypernyms: ↑plant part, ↑plant structure …   Useful english dictionary

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