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antheridium

[an-thuh-rid-ee-uh m] /ˌæn θəˈrɪd i əm/
noun, plural antheridia
[an-thuh-rid-ee-uh] /ˌæn θəˈrɪd i ə/ (Show IPA).
Botany, Mycology
1.
a male reproductive structure producing gametes, occurring in ferns, mosses, fungi, and algae.
Origin
1850-1855
1850-55; < Neo-Latin; see anther, -idium
Related forms
antheridial, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for antheridial

antheridium

/ˌænθəˈrɪdɪəm/
noun (pl) -ia (-ɪə)
1.
the male sex organ of algae, fungi, bryophytes, and spore-bearing vascular plants, such as ferns, which produces antherozoids
Derived Forms
antheridial, adjective
Word Origin
C19: from New Latin, diminutive of anthēraanther
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
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antheridial in Science
antheridium
  (ān'thə-rĭd'ē-əm)   
Plural antheridia (ān'thə-rĭd'ē-ə)
An organ in certain organisms that produces male gametes. Antheridia are found in many groups of organisms, including the bryophytes, ferns, ascomycete fungi, and some algae. Most gymnosperms and all angiosperms, however, have lost the antheridium, and its role is filled by the pollen grain. Compare archegonium.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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