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单词 ascus
释义

Definition of ascus in English:

ascus

nounPlural asci ˈaskəsˈæskəs
Botany
  • A sac, typically cylindrical in shape, in which the spores of ascomycete fungi develop.

    〔植〕子囊

    Example sentencesExamples
    • Fully developed ascospores within intact asci could be identified by their red pigmentation.
    • Hymenium - the spore-bearing layer of a fruiting body, containing asci, spores and paraphyses.
    • When mature, a perithecium contains several hundred asci that are ejected by turgor pressure.
    • Spores were liberated from asci, and vegetative cells were killed, by treatment with glusulase and ethanol.
    • No mutants had significant numbers of asci with more than four spores.

Origin

Mid 19th century: modern Latin, from Greek askos 'bag'.

Definition of ascus in US English:

ascus

nounˈaskəsˈæskəs
Botany
  • A sac, typically cylindrical in shape, in which the spores of ascomycete fungi develop.

    〔植〕子囊

    Example sentencesExamples
    • When mature, a perithecium contains several hundred asci that are ejected by turgor pressure.
    • Fully developed ascospores within intact asci could be identified by their red pigmentation.
    • Hymenium - the spore-bearing layer of a fruiting body, containing asci, spores and paraphyses.
    • Spores were liberated from asci, and vegetative cells were killed, by treatment with glusulase and ethanol.
    • No mutants had significant numbers of asci with more than four spores.

Origin

Mid 19th century: modern Latin, from Greek askos ‘bag’.

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更新时间:2024/12/27 16:50:56