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单词 indusium
释义

Definition of indusium in English:

indusium

nounPlural indusia ɪnˈdjuːzɪəm
Botany
  • A thin membranous covering, especially a shield covering a sorus on a fern frond.

    Example sentencesExamples
    • The upper surface of the intermediate portion of the corpus callosum is covered by a thin veil of gray substance - the indusium griseum.
    • The latter is covered by the indusium griseum, a thin sheet of rudimentary cortex containing (on each side) the delicate medial and lateral longitudinal striae.
    • The leaf margins themselves are often reflexed to form false indusia that protect the sori.

Origin

Early 18th century: from Latin, literally 'tunic', from induere 'put on, don'.

 
 

Definition of indusium in US English:

indusium

noun
Botany
  • A thin membranous covering, especially a shield covering a sorus on a fern frond.

    Example sentencesExamples
    • The leaf margins themselves are often reflexed to form false indusia that protect the sori.
    • The latter is covered by the indusium griseum, a thin sheet of rudimentary cortex containing (on each side) the delicate medial and lateral longitudinal striae.
    • The upper surface of the intermediate portion of the corpus callosum is covered by a thin veil of gray substance - the indusium griseum.

Origin

Early 18th century: from Latin, literally ‘tunic’, from induere ‘put on, don’.

 
 
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更新时间:2024/12/23 23:59:09