Skip to main content

indusium

/in-doo-zee-uhm, -zhee-uhm, -dyoo-/US // ɪnˈdu zi əm, -ʒi əm, -ˈdyu- //UK // (ɪnˈdjuːzɪəm) //

乌鸦嘴,不列颠,铟铟,不列颠国家

Definitions

n.名词 noun
  1. 1

    plural in·du·si·a [in-doo-zee-uh, -zhee-uh, -dyoo-]. /ɪnˈdu zi ə, -ʒi ə, -ˈdyu-/.

    • : Botany, Mycology. any of several structures having a netlike or skirtlike shape, as the membranous overgrowth covering the sori in ferns.
    • : Anatomy, Zoology. an enveloping layer or membrane.a thin layer of gray matter on the corpus callosum.

Examples

  • The indusium is thin and delicate, composed of sinuous-margined cellules, and is more or less wavy along the free edge.

  • They are covered by a very slight indusium, which soon falls off.

  • The indusium arises from a vein to which the sorus is attached.

  • Thus it is proper to describe the shape of the indusium as peltate.

  • The sori are narrow, and when young are covered with an indusium.