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basidium

Pronunciation: ba-sid′ē-ŭm, -ă

Definition: A cell or spore-bearing organ usually club-shaped that is characteristic of the Basidiomycota. It bears basidiospores externally after karyogamy and meiosis. It is composed of a swollen terminal cell situated on a slender stalk, and gives rise to slender filaments (sterigmata), usually four in number, from the ends of which the basidiospores are developed.

[L., fr G. basis, base]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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