nounplural noun gametangia/ˌɡamɪˈtandʒɪə/
BotanyA specialized organ or cell in which gametes are formed in algae, ferns, and some other plants.
‘Both gametangia form from a stereotyped series of divisions of a terminal apical cell, unlike the gametangia of liverworts and hornworts.’- ‘The sproangia produces mitospores which through mitosis develops into gametangia, or sex organs.’
- ‘Over four months in culture, the Church Farm worm castings eventually produced populations of four species of Vaucheria (Fig. lb) that we could identify from their gametangia: V. prona, reproductive after 17 d in culture (Fig. 1c); V. frigida, 23 d; V. undulata, 44 d; and V. aversa, 91 d (Table 1).’
- ‘When confronted with wild-type mycelia of either sex, some hyperyellow mycelia showed no sexual reactions and others formed a few early structures of the sexual cycle, such as zygophores, but no gametangia or zygospores.’
- ‘Each gametangium yields two morphologically isogamous nonflagellated gametes with anisogamous behavior.’
Origin
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