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spore (noun, pl. spores) – a general term for any microscopically small reproductive unit, whether somatic (vegetative) or generative, single-celled or multicellular; (1) more commonly referred to as propagule or diaspore if functioning for dispersal, especially if of somatic (vegetative) origin; (2) in the context of fungi: called a conidium if produced vegetatively, e. g. at the tip of hyphae outside an ascus. (3) in the context of fungi, ascomycetes: more accurately called an ascospore if of generative origin and produced by free-cell formation within an ascus; (4) in the context of fungi, basidiomycetes: more accurately called a basidiospore if of generative origin and produced on a basidium. See also thepart-of categorization:part of spore.

Related terms: ascospore, basidiospore, conidium.

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