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Meaning of eustele

eu•stele

Pronunciation: (y'stēl, y-stē'lē), [key]
— pl. -steles.
  1. an arrangement of the xylem and phloem in discrete strands, separated by areas of parenchymatous tissue.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.