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词汇 perithecium
释义

Definition of perithecium in English:

perithecium

nounPlural perithecia ˌpɛrɪˈθiːsɪəmˌpɛrəˈθiʃiəm
Botany
  • (in some fungi) a round or flask-shaped fruiting body with a pore through which the spores are discharged.

    〔植〕(某些真菌的)子囊壳

    Example sentencesExamples
    • Inside the perithecium, the developing asci are immersed in maternal tissue.
    • A spore leaving the perithecium travels nearly straight up at first.
    • When the internal contents of these perithecia were inspected, only a few minute asci were observed.
    • Features of the spores and the perithecium in which they occur suggest that this may be a fossil species of Savoryella.
    • All these steps take place in a specialized fruiting structure, the perithecium.

Origin

Mid 19th century: modern Latin, from peri- 'around' + Greek thēkē 'case'.

Definition of perithecium in US English:

perithecium

nounˌperəˈTHēSHēəmˌpɛrəˈθiʃiəm
Botany
  • (in some fungi) a round or flask-shaped fruiting body with a pore through which the spores are discharged.

    〔植〕(某些真菌的)子囊壳

    Example sentencesExamples
    • When the internal contents of these perithecia were inspected, only a few minute asci were observed.
    • Features of the spores and the perithecium in which they occur suggest that this may be a fossil species of Savoryella.
    • A spore leaving the perithecium travels nearly straight up at first.
    • All these steps take place in a specialized fruiting structure, the perithecium.
    • Inside the perithecium, the developing asci are immersed in maternal tissue.

Origin

Mid 19th century: modern Latin, from peri- ‘around’ + Greek thēkē ‘case’.

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