sieve tube
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sieve tube
n.
A tube through which food is conducted in angiosperms, formed of a series of sieve-tube elements joined end to end.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
sieve tube
n
(Botany) botany an element of phloem tissue consisting of a longitudinal row of thin-walled elongated cells with perforations in their connecting walls through which food materials pass
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
sieve′ tube`
n. Bot.
a vertical series of cylindrical cells in the phloem, specialized for the conduction of food materials.
[1870–75]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Noun | 1. | sieve tube - tube formed by cells joined end-to-end through which nutrients flow in flowering plants and brown algae vascular tissue - tissue that conducts water and nutrients through the plant body in higher plants |
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