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antheridium (plural antheridia)
- (botany, mycology) An organ producing male gametes called antherozoids, found in some algae, ferns, and bryophytes.
- 2010, Helen Gwynne-Vaughan, Fungi: Ascomycetes, Ustilaginales, Uredinales, page 54:
- Ascodesmis is a third type which might be derived either directly or through the erysiphaceous type from an endomycetous ancestor; the antheridium and oogonium are but little differentiated, but the latter is furnished with a trichogyne and becomes septate after fertilization; the ascogenous hyphae are few and the sheath simple.
bryophyte organ producing male gametes
- archegonium (the female equivalent)