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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
phloem, bast - (botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Mesophyll cells shrank, and its vessels and sieve tubes ruptured at the tillering stage.
The scrutiny of the Figures 1,2,3 and 4 showing the transverse sections of lateral vascular bundles along the successive internodes in rachis (numbering 1 to 19) depicts that concurrently with the decline in vascular size, the number and cross-sectional surface area of xylem vessels and sieve tubes declined acropetally and the greatest reduction occurred in the middle segment of spike (between internode 5 to 14).