archegonium


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archegonium

[‚ark·ə′gōn·ē·əm]
(botany)
The multicellular female sex organ in all plants of the Embryobionta except the Pinophyta and Magnoliophyta.
References in periodicals archive ?
archegonium: A multicellular, often flask-shaped, egg-producing organ occurring in mosses, ferns, and most gymnosperms.
A single-celled oogonium (not a multicellular archegonium, as found in embryophytes) surrounds the single egg cell; however, the nonmotile female gamete, and oogamous reproduction, are similar to embryophytes.