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archegonium

[ ahr-ki-goh-nee-uhm ]

noun

, Botany.
, plural ar·che·go·ni·a [ahr-ki-, goh, -nee-, uh].
  1. the female reproductive organ in ferns, mosses, etc.


archegonium

/ ˌɑːkɪˈɡəʊnɪəm /

noun

  1. a female sex organ, occurring in mosses, spore-bearing vascular plants, and gymnosperms, that produces a single egg cell in its swollen base
“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


archegonium

/ är′kĭ-gōnē-əm /

, Plural archegonia

  1. The egg-producing organ occurring in bryophytes (such as mosses and liverworts), ferns, and most gymnosperms. The archegonium is a multicellular, often flask-shaped structure that contains a single egg.
  2. Compare antheridium


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Derived Forms

  • ˌarcheˈgoniate, adjective
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Other Words From

  • arche·goni·al ar·che·go·ni·ate [ahr-ki-, goh, -nee-it, -eyt], adjective
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Word History and Origins

Origin of archegonium1

1850–55; < New Latin, equivalent to archegon- (< Greek archégonos first of a race; arche-, gono- ) + -ium < Greek -ion diminutive suffix
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Word History and Origins

Origin of archegonium1

C19: from New Latin, from Greek arkhegonos original parent, from arkhe- chief, first + gonos seed, race
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Example Sentences

A single archegonium—later capsule—is found in each of the half-dozen involucres.

Throughout he compares the structure with the pistillum (archegonium) of Bryophyta.

The fertilized nucleus or germ-cell of the archegonium in Cryptogams, from which the new plant is directly developed.

The female organ (archegonium) and the cell which it produces are practically identical in both cases.

Spermatozoids are formed in the antheridium, and these enter the archegonium and fertilize the germ cell.

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archegoniophorearchencephalon