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pro•to•xy•lem



Pronunciation: (prō"tu-zī'lum, -lem), [key]
n. Bot.
the part of the primary xylem that develops first, consisting of narrow, thin-walled cells.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

protoxideProtozoa

 

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