'''Tissue''' refers to groups of cells having a common function; see [[organ]].
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In [[Biology]] '''Tissue''' refers to groups of [[cells]] having a common function.
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[[category:Anatomy]]
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<blockquote>
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''An aggregate of similar cells and cell products forming a definite kind of structural material with a specific function, in a multicellular [[organism]].'' [http://dictionary.reference.com/browse/Tissue]