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Archegonial

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
ar·che·go·ni·um  (ärk-gn-m)
n. pl. ar·che·go·ni·a (-n-)
A multicellular, often flask-shaped, egg-producing organ occurring in mosses, ferns, and most gymnosperms.

[New Latin, from Greek arkhegonos, original : arkhe-, arkhi-, archi- + gonos, offspring; see gen- in Indo-European roots.]

arche·goni·al adj.
arche·goni·ate (-t) adj.
ThesaurusLegend:  Synonyms Related Words Antonyms
Adj.1.archegonial - of or relating to an archegonium
phytology, botany - the branch of biology that studies plants


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Multicellular chlorophyllous hairs appear on dorsal or ventral surfaces in the archegonial region near the notch when the prothallus matures, and the hairs are scaly when they get old.
Differences among species include spore size, germination time, formation time of the gametangia, gametophyte margin shape, number of archegonial neck cells and shapes of the antheridial dehiscence.
The length of the archegonial neck was about 70 [micro]m long.
 
 
 
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