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archegonium

Definitions

  • WordNet 3.6
    • n archegonium a female sex organ occurring in mosses, ferns, and most gymnosperms
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Webster's Revised Unabridged Dictionary
    • n Archegonium (Bot) The pistillidium or female organ in the higher cryptogamic plants, corresponding to the pistil in flowering plants.
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Century Dictionary and Cyclopedia
    • n archegonium The pistillidium or female organ of the higher cryptogams, having the same function as the pistil in flowering plants. It is a cellular sac, containing at the bottom a cell, analogous to the embryo-sac of phænogamous plants, which is impregnated by spermatozoöids from the male organ (antheridium). From this, after fertilization, the new plant is produced directly, as in the ferns and their allies, or a spore-case is developed, as in the mosses, when new plants follow upon the germination of the spores.
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Etymology

Webster's Revised Unabridged Dictionary
NL., fr. Gr. the first of a race

Usage

In literature:

B. Longitudinal section of the sporogonium borne on the pseudopodium (ps); c, calyptra; ar, neck of archegonium; sg', foot; sg, capsule.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3" by Various
As in the liverworts the young embryo is completely covered by the growing archegonium wall.
"Elements of Structural and Systematic Botany" by Douglas Houghton Campbell
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