ascus

[ad_1] noun, plural as·ci [as-ahy, -kahy, -kee] /ˈæs aɪ, -kaɪ, -ki/. Mycology.

1. the sac in ascomycetes in which the sexual spores are formed.

noun plural asci (ˈæsaɪ, ˈæskaɪ)

1. a saclike structure that produces (usually) eight ascospores during sexual reproduction in ascomycetous fungi such as yeasts and mildews

n.

“sac in certain fungi,” 1830, Modern Latin, from Greek askos “leather bag, wine skin,” of unknown origin.

n. pl. as•ci (ăs′ī′, -kī′)

1. A membranous, often club-shaped structure in which typically eight spores are formed through sexual reproduction of ascomycetes.

Plural asci (ăs′ī′, -kī′)

1. A membranous, often club-shaped structure inside which ascospores are formed through sexual reproduction in species of the fungi known as ascomycetes. The ascus is unique to ascomycetes and distinguishes them from other kinds of fungi. Asci are formed when two hyphae that are sexually compatible conjugate. Each ascus typically develops eight ascospores. Asci swell at maturity until they burst, shooting the ascospores into the air.

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