idioblast

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idioblast

[′īd·ē·ō‚blast]
(botany)
A plant cell that differs markedly in shape or function from neighboring cells within the same tissue.
(geology)
A mineral constituent of a metamorphic rock formed by recrystallization which is bounded by its own crystal faces.
References in periodicals archive ?
As found in the tribe Spathicarpeae and in the subfamily Lemnoideae, articulated tubes (Ta) are encountered where the idioblastic raphide cells are in contact and may attach end to end.