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单词 peridium
释义

peridium

/pɪˈrɪdɪəm /
noun (plural peridia /pɪˈrɪdɪə/) Botany
The outer skin of a sporangium or other fruiting body of a fungus.Numerous golden sporangia with persistent peridia still intact formed on the bark surface and on mosses....
  • This is an example of a peridium, a rather vague term that includes any shell or membrane that encloses spores - for example, the visible outer membrane of a puffball.

Origin

Early 19th century: from Greek pēridion, literally 'small wallet', diminutive of pēra.

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更新时间:2024/11/11 9:03:35