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n. pl. as·ci (ăs′ī′, -kī′)
A membranous, often club-shaped structure in ascomycetes in which karyogamy occurs, followed by the formation of eight haploid ascospores.
[New Latin, from Greek askos, bag.]
n, pl asci (ˈæsaɪ; ˈæskaɪ)
(Botany) a saclike structure that produces (usually) eight ascospores during sexual reproduction in ascomycetous fungi such as yeasts and mildews
[C19: from New Latin, from Greek askos bag]
n., pl. as•ci (ˈæs aɪ, -kaɪ, -ki)
the sac in ascomycetes in which the spores are formed.
[1820–30; < New Latin < Greek askós bag, sac]
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|Noun||1.||ascus - saclike structure in which ascospores are formed through sexual reproduction of ascomycetes|
reproductive structure - the parts of a plant involved in its reproduction