archegonial


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ar·che·go·ni·um

 (är′kĭ-gō′nē-əm)
n. pl. ar·che·go·ni·a (-nē-ə)
A multicellular, often flask-shaped, egg-producing organ occurring in mosses, liverworts, ferns, and most gymnosperms.
[New Latin, from Greek arkhegonos, original : arkhe-, arkhi-, archi- + gonos, offspring; see genə- in Indo-European roots.]
ar′che·go′ni·al adj.
ar′che·go′ni·ate (-ĭt) adj.

archegonial

(ˌɑːkɪˈɡəʊnɪəl)
adj
relating to an archegonium
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.archegonial - of or relating to an archegonium
archegoniate
phytology, botany - the branch of biology that studies plants
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References in periodicals archive ?
Inhibition of archegonial maturation, when sperm are ready for release, would prevent fertilisation events (Longton 1972).
Sex expression and reproduction of four bryophytes following timber harvesting
At the micropylar end of the seed, the megagametophyte (sometimes erroneously called endosperm) is covered by the brown, papery left over of the nucellus (perisperm) and forms a cap over the archegonial chamber and radicle (Fig.
Origin of the coleorhiza in cycad seedlings and its structural homology with that of the Poaceae
The entire female gametophyte is coenocytic and there is no evidence of archegonial structure or differentiated egg cells [ILLUSTRATION FOR FIGURE 4B OMITTED].
Heterochrony and developmental innovation: evolution of female gametophyte ontogeny in Gnetum, a highly apomorphic seed plant

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