cystidium

[si-stid-ee-uh m]

noun, plural cys·tid·i·a

[si-stid-ee-uh] /sɪˈstɪd i ə/. Mycology.

(in certain basidiomycetous fungi) one of the large, inflated, sterile cells growing between the basidia and usually projecting beyond them.

Origin of cystidium

From New Latin, dating back to 1855–60; see origin at cyst-, -idium

Podoconus two-thirds as long as the capsule, trifid, with three equal circular lobes (as in Cystidium inerme).
Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index
Ernst Haeckel