ascus definition

  • noun:
    • A membranous, often club-shaped structure which usually eight ascospores are formed through sexual reproduction of ascomycetes.
    • A sac-shaped cell contained in ascomycete fungi; its a reproductive mobile where meiosis and another cellular unit produce eight spores.
    • a little membranous bladder or tube for which tend to be inclosed the seedlike reproductive particles or sporules of lichens and certain fungi.
    • In botany, the spore-case of lichens and ascomycetous fungi, composed of a single cell, usually the swollen terminal mobile of a branch of a hypha, through the protoplasm of which the spores (typically 8) are manufactured. Also referred to as ascidium and theca.
    • In archÅ“ol., just like askos.
    • saclike construction in which ascospores tend to be created through sexual reproduction of ascomycetes

Related Sources

  • Sentence for "ascus"
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  • Hypernym for "ascus"
  • Cross Reference for "ascus"
    • Wikipedia article on Ascomycete fungi
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