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Phloem cells are living vascular cells that carries sugar and organic substances throughout a plant.
Phloem
xylem & phloem
Phloem is made of sieve tubes, companion cells and phloem parenchyma. These are specialized cells to transport nutrients from leaves to other area of the plant.
Hh
Parenchyma cells in "phloem tissue"
phloem cells
PITH
The sieve tubes of the phloem cells help to transport sugars. The stem of the plant has a layer of cells called phloem. Part of the phloem is made of sieve tubes that permit the flow of sugars solution through the influence of fluid pressure differential. The phloem also contains companion cells for the sieve tubes which aid in the transport of sugars to these tubes.
Phloem is a conductive plant tissue and is found in the stems and leaf veins. It facilitates the movement of the sugars produced by photosynthesis to the rest of the plant. Phloem also provides a minor role in the support structure of the stem.
Xylem tube cells: There are also cells called phloem tube cells, which transport water up the plant to the leaves. These two types of tubes are found in the stem and the vains of a plant, in groups called vascular vundles.
Cellulose in living plant cells and Lignified cellulose in non-living plant cells (As in heartwood and outer bark)Phloem