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antheridium

[ an-thuh-rid-ee-uhm ]

noun

, Botany, Mycology.
, plural an·ther·id·i·a [an-th, uh, -, rid, -ee-, uh].
  1. a male reproductive structure producing gametes, occurring in ferns, mosses, fungi, and algae.


antheridium

/ ˌænθəˈrɪdɪəm /

noun

  1. the male sex organ of algae, fungi, bryophytes, and spore-bearing vascular plants, such as ferns, which produces antherozoids
“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


antheridium

/ ăn′thə-rĭdē-əm /

, Plural antheridia ăn′thə-rĭdē-ə

  1. 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.
  2. Compare archegonium


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Derived Forms

  • ˌantherˈidial, adjective
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Other Words From

  • anther·idi·al adjective
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Word History and Origins

Origin of antheridium1

From New Latin, dating back to 1850–55; anther, -idium
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Word History and Origins

Origin of antheridium1

C19: from New Latin, diminutive of anthēra anther
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Example Sentences

These particles become globose cells, grouped in the centre of the antheridium.

It is seldom that more than one antheridium applies itself to an oogonium.

It is remarkable that amongst these fungi the tube projected by the antheridium effects fecundation only by contact.

Oogonium with the central uninucleate oosphere and the fertilizing tube (a) of the antheridium which introduces the male nucleus.

One of the minute organs developed in an antheridium, corresponding to pollen-grains.

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antheridiophoreantherozoid