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hymenium

 - 4 dictionary results

hy⋅me⋅ni⋅um

  [hahy-mee-nee-uhm]
Use hymenium in a Sentence
–noun, plural -ni⋅a  [-nee-uh] . Mycology.
the sporogenous layer in a fungus, composed of asci or basidia often interspersed with various sterile structures, as paraphyses.
Origin:
1820–30; < NL; see hymen, -ium

Related forms:
hy⋅me⋅ni⋅al, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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hy·me·ni·um   (hī-mē'nē-əm)   
n.   pl. hy·me·ni·a (-nē-ə) or hy·me·ni·ums
The spore-bearing layer of the fruiting body of certain fungi, containing asci or basidia.

[New Latin, from Greek humenion, diminutive of humēn, membrane; see hymen.]
hy·me'ni·al (-əl) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
hymenium   (hī-mē'nē-əm)  Pronunciation Key 
Plural hymenia
The spore-bearing layer of the fruiting body of certain fungi, containing asci or basidia.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia

hymenium

a spore-bearing layer of tissue in fungi (kingdom Fungi) found in the phyla Ascomycota and Basidiomycota. It is formed by end cells of hyphae-the filaments of the vegetative body (thallus)-which terminate elongation and differentiate into reproductive cells. The hymenium may also contain support cells known as cystidia.

Learn more about hymenium with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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