indusium

[ in-doo-zee-uhm, -zhee-uhm, -dyoo- ]

/ ɪnˈdu zi əm, -ʒi əm, -ˈdyu- /

noun, 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.

Origin of indusium

1700–10; <New Latin; Latin: kind of tunic, perhaps <Greek éndys(is) dressing, dress (endý(ein) to put on + -sis-sis) + Latin -ium, for Greek -ion noun suffix

OTHER WORDS FROM indusium

in·du·si·al, adjective

Words nearby indusium

indurated, induration, indurative, Indus, indusiate, indusium, indusium griseum, industrial, industrial action, industrial archaeology, industrial arts

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for indusium

I have just examined a large bud with the indusium not yet closed, and it seems to me certain that there is no stigma within.
More Letters of Charles Darwin Volume II|Charles Darwin
It is from the resemblance of this indusium to a bladder that the plant has received its popular name.
How to Know the Ferns|S. Leonard Bastin
Do you remember the scarlet Leschenaultia formosa with the sticky margin outside the indusium?
More Letters of Charles Darwin Volume II|Charles Darwin
Pinnules triangular-oblong, bearing short sori on their inwardly reflexed margins which form the indusium.
The Fern Lover's Companion|George Henry Tilton

Indusium: the case made by an insect larva: a membranous layer of the embryo of Locustidae below the serosa.
Explanation of Terms Used in Entomology|John. B. Smith

British Dictionary definitions for indusium

indusium

/ (ɪnˈdjuːzɪəm) /

noun plural -sia (-zɪə)

a membranous outgrowth on the undersurface of fern leaves that covers and protects the developing sporangia

an enveloping membrane, such as the amnion

Derived forms of indusium

indusial, adjective

Word Origin for indusium

C18: New Latin, from Latin: tunic, from induere to put on

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for indusium

indusium

[ ĭn-dōō′zē-əm, -zhē- ]

Plural indusia

A thin membrane covering the sorus of a fern. The indusium often shrivels away when spores are ready to be dispersed. Also called fruitcover

A cuplike structure fringed with hairs and located at the top of the style in flowers of the family Goodeniaceae (which includes the garden flowers lobelia and scaevola). Pollen is deposited into the indusium by the anthers of the same flower and, as the style grows, carried up for dispersal by pollinating insects.

单词	indusium
释义	indusium [ in-doo-zee-uhm, -zhee-uhm, -dyoo- ] / ɪnˈdu zi əm, -ʒi əm, -ˈdyu- / noun, 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. Origin of indusium 1700–10; <New Latin; Latin: kind of tunic, perhaps <Greek éndys(is) dressing, dress (endý(ein) to put on + -sis-sis) + Latin -ium, for Greek -ion noun suffix OTHER WORDS FROM indusium in·du·si·al, adjective Words nearby indusium indurated, induration, indurative, Indus, indusiate, indusium, indusium griseum, industrial, industrial action, industrial archaeology, industrial arts Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for indusium I have just examined a large bud with the indusium not yet closed, and it seems to me certain that there is no stigma within. More Letters of Charles Darwin Volume II\|Charles Darwin It is from the resemblance of this indusium to a bladder that the plant has received its popular name. How to Know the Ferns\|S. Leonard Bastin Do you remember the scarlet Leschenaultia formosa with the sticky margin outside the indusium? More Letters of Charles Darwin Volume II\|Charles Darwin Pinnules triangular-oblong, bearing short sori on their inwardly reflexed margins which form the indusium. The Fern Lover's Companion\|George Henry Tilton Indusium: the case made by an insect larva: a membranous layer of the embryo of Locustidae below the serosa. Explanation of Terms Used in Entomology\|John. B. Smith British Dictionary definitions for indusium indusium / (ɪnˈdjuːzɪəm) / noun plural -sia (-zɪə) a membranous outgrowth on the undersurface of fern leaves that covers and protects the developing sporangia an enveloping membrane, such as the amnion Derived forms of indusium indusial, adjective Word Origin for indusium C18: New Latin, from Latin: tunic, from induere to put on Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for indusium indusium [ ĭn-dōō′zē-əm, -zhē- ] Plural indusia A thin membrane covering the sorus of a fern. The indusium often shrivels away when spores are ready to be dispersed. Also called fruitcover A cuplike structure fringed with hairs and located at the top of the style in flowers of the family Goodeniaceae (which includes the garden flowers lobelia and scaevola). Pollen is deposited into the indusium by the anthers of the same flower and, as the style grows, carried up for dispersal by pollinating insects. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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