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Meaning of microtubule

mi•cro•tu•bule

Pronunciation: (mī"krō-t'byl, -ty'-), [key]
— n. Cell Biol.
  1. a hollow cylindrical structure in the cytoplasm of most cells, involved in intracellular shape and transport. See diag. under
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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