basidium

/buh-sid-ee-uhm/US // bəˈsɪd i əm //UK // (bæˈsɪdɪəm) //

玄武岩,玄参,贱民,玄武门

Definitions

n.名词 noun

1
plural ba·sid·i·a [buh-sid-ee-uh]. /bəˈsɪd i ə/. Mycology.
- : a special form of sporophore, characteristic of basidiomycetous fungi, on which the sexual spores are borne, usually at the tips of slender projections.

At the apex of each basidium a flask-shaped cell, "sterigma" (d), appears.
Conidia (basidiospores) borne in fours on a special conidiophore, the basidium.
Life-history always very simple, no well-marked alternation of generations; basidium borne directly on the mycelium.
Between the nuclear association and the nuclear fusion in the basidium many thousands of cell generations may be intercalated.
During the tetrad division in the basidium nuclear reduction occurs.