phloem
the part of a vascular bundle consisting of sieve tubes, companion cells, parenchyma, and fibers and forming the food-conducting tissue of a plant.
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Origin of phloem
1Words Nearby phloem
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use phloem in a sentence
The process of moving food around through phloem is known as translocation.
Extra phloem tissue that carries lots of food allows some pumpkins to grow to enormous sizes.
In some cases he seems to refer to the phloem and cambium by this name, and in other cases to the perimedullary zone.
These concentric rings of secondary xylem and phloem (fig. 9) afford a characteristic cycadean feature.
The tissue in question is marked by S, c, hb in the figure, and is called phloem or bast.
The browning in the vascular bundles appeared to be confined to the phloem tissue.
The central tissue (x) is called the woody tissue (xylem); the outer, the bast (phloem).
Elements of Structural and Systematic Botany | Douglas Houghton Campbell
British Dictionary definitions for phloem
/ (ˈfləʊɛm) /
tissue in higher plants that conducts synthesized food substances to all parts of the plant
Origin of phloem
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for phloem
[ flō′ĕm′ ]
A tissue in vascular plants that conducts food from the leaves and other photosynthetic tissues to other plant parts. Phloem consists of several different kinds of cells: sieve elements, parenchyma cells, sclereids, and fibers. In mature woody plants it forms a sheathlike layer of tissue in the stem, just inside the bark. See more at cambium photosynthesis. Compare xylem.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for phloem
[ (floh-em) ]
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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