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indusium
indusium definition
in·du·sium (in do̵̅o̅′zē əm, -dyo̵̅o̅′-; -z̸hē-)
noun pl. indusia -·sia (-ə)
- Anat., Zool.
- any covering membrane, as the amnion
- a case enclosing an insect larva or pupa
- Bot.
- a membranous outgrowth of the leaf epidermis in certain ferns, covering the sporangia
- the annulus of certain fungi
Etymology: ModL < L, undergarment, tunic; assoc. with induere, to put on (see indue), but prob. < Gr endysis, dress, clothing < endyein, to go into, put on
Related Forms:
- indusial in·du′·sial (-əl) adjective
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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