
An idioblast is an isolated plant cell that differs from neighboring tissues. They have various functions such as storage of reserves, excretory materials, pigments, and minerals. They could contain oil, latex, gum, resin, tannin or pigments etc. Some can contain mineral crystals such as acrid tasting and poisonous calcium oxalate or carbonate or ...
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http://en.wikipedia.org/wiki/Idioblast

• (n.) An individual cell, differing greatly from its neighbours in regard to size, structure, or contents.
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http://thinkexist.com/dictionary/meaning/idioblast/

Plant cells containing oil, gum, calcium, or other products, and appearing to help provide mechanical support. ... (09 Oct 1997) ...
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http://www.encyclo.co.uk/local/20973
Id'i·o·blast (ĭd'ĭ*o*blăst)
noun [
Ideo- +
-blast .]
(Botany) An individual cell, differing greatly from its neighbours in regard to size, structure, or contents.
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http://www.encyclo.co.uk/webster/I/4

idioblast 1. A specialized plant cell that differs considerably from others in the same area of tissue. An idioblast is usually thick-walled and lacks chlorophyll. 2. An isolated cell differing in form, in contents, or in wall structure, from neighboring cells.
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a cell that differs greatly from the surrounding cells or tissue.
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https://www.infoplease.com/dictionary/idioblast
No exact match found.