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archegonium
[ ahr-ki-goh-nee-uhm ]
noun
- the female reproductive organ in ferns, mosses, etc.
archegonium
/ ˌɑːkɪˈɡəʊnɪəm /
noun
- a female sex organ, occurring in mosses, spore-bearing vascular plants, and gymnosperms, that produces a single egg cell in its swollen base
archegonium
/ är′kĭ-gō′nē-əm /
, Plural archegonia
- 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.
- Compare antheridium
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Derived Forms
- ˌarcheˈgoniate, adjective
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Other Words From
- arche·goni·al ar·che·go·ni·ate [ahr-ki-, goh, -nee-it, -eyt], adjective
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Word History and Origins
Origin of archegonium1
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Word History and Origins
Origin of archegonium1
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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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