Concept information
Preferred term
Phloem
Type
-
Topical Descriptor
Broader concept
Scope note
- Plant tissue that carries nutrients, especially sucrose, by turgor pressure. Movement is bidirectional, in contrast to XYLEM where it is only upward. Phloem originates and grows outwards from meristematic cells (MERISTEM) in the vascular cambium. P-proteins, a type of LECTINS, are characteristically found in phloem.
History note
- 2007
URI
http://www.yso.fi/onto/mesh/D052585
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