idioblast definition

  • noun:
    • A plant mobile that varies noticeably in kind from neighboring cells.
    • An isolated specialised mobile based in the midst of an otherwise homogeneous number of cells in plant muscle.
    • a person mobile, varying greatly from its neighbors regarding size, structure, or contents.
    • A term proposed by Sachs for several specific cells or tissue-elements which differ considerably, in relation to their contents, from surrounding tissues. These types of would be the resin-cells, tannin-cells, crystal-cells, etc., present in different plants.
    • In biology, the hypothetical, ultimate elements of living protoplasm, just like the gemmules of Darwin, the physiological devices of Herbert Spencer, the biophores of Weismann, etc.

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