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 ?
All of these species however, have conspicuous venuloid idioblasts (silica bodies) on laminar surfaces between veins (Sundue, 2009), a character that is lacking in A.
trichochlaenum are 2- pinnate, have indument abaxially along the rachises, and venuloid idioblasts between the veins on both surfaces of the pinnules.
The parenchyma presented very abundant crystalliferous idioblasts, containing calcium-oxalate microcrystals.
Mesophyl presented few crystalliferous idioblasts, containing microcrystals, and few polyhedrical crystals of calcium oxalate.
parenchymatous with idioblasts and mucilage cavities.
Cortex parenchymatous, to 2 cm thick, with idioblasts and mucilage
Comparative microscopy of idioblasts in lemma epidermis of some
Idioblasts with druses or sphaerocrystals may be present, especially when mucilage cells are absent or rare.
The parenchymatous cortex has idioblasts, abundant mucilage ducts, and oblique, semigirdling leaf traces [ILLUSTRATION FOR FIGURE 5C OMITTED].