Advertisement
Advertisement
phloem
[ floh-em ]
noun
- the part of a vascular bundle consisting of sieve tubes, companion cells, parenchyma, and fibers and forming the food-conducting tissue of a plant.
phloem
/ ˈfləʊɛm /
noun
- tissue in higher plants that conducts synthesized food substances to all parts of the plant
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.
Discover More
Word History and Origins
Origin of phloem1
First recorded in 1870–75; from German Phloëm, irregularly formed from Greek phló(os), phloiós “bark (of a tree), rind (of a fruit)” + -ēma passive noun suffix
Discover More
Word History and Origins
Origin of phloem1
C19: via German from Greek phloos bark
Discover More
Example Sentences
In some cases he seems to refer to the phloem and cambium by this name, and in other cases to the perimedullary zone.
From Project Gutenberg
These concentric rings of secondary xylem and phloem (fig. 9) afford a characteristic cycadean feature.
From Project Gutenberg
The tissue in question is marked by S, c, hb in the figure, and is called phloem or bast.
From Project Gutenberg
The browning in the vascular bundles appeared to be confined to the phloem tissue.
From Project Gutenberg
The central tissue (x) is called the woody tissue (xylem); the outer, the bast (phloem).
From Project Gutenberg
Advertisement
Advertisement
Advertisement
Advertisement
Browse