What is meant by phloem
And constituents
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Answer:Phloem is a complex tissue or heterogeneous vascular tissue that stores and conducts principally the products of photosynthesis in vascular plants and sometimes adds mechanical strength. Phloem in association with xylem constitutes the vascular bundle and forms the conducting tissue system in plants.
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Phloem tissue consists of conducting cells, generally called sieve elements, parenchyma cells, including both specialized companion cells or albuminous cells and unspecialized cells and supportive cells, such as fibres and sclereids.
Conducting cells (sieve elements)
- Xylem.
- Phloem.
- Cambium.
- Pith.
- Companion cells.
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