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Descriptor English: Phloem
Descriptor Spanish: Floema
Descriptor floema
Scope note: Tejido vegetal que transporta nutrientes, en especial la sucrosa, mediante presión de turgencia. El movimiento es de doble sentido, a diferencia del XILEMA, donde el movimiento sólo es hacia arriba. El floema se origina y crece hacia el exterior a partir de las células meristemáticas (MERISTEMO) en el cambium vascular. Las proteínas P, un tipo de LECTINAS, se encuentran característicamente en el floema.
Descriptor Portuguese: Floema
Descriptor French: Phloème
Entry term(s): Phloems
Tree number(s): A18.450.250
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D052585
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.
Allowable Qualifiers: AE adverse effects
AH anatomy & histology
CH chemistry
CL classification
CY cytology
DE drug effects
EM embryology
EN enzymology
GD growth & development
GE genetics
IM immunology
ME metabolism
MI microbiology
PH physiology
PO poisoning
PS parasitology
RE radiation effects
TO toxicity
UL ultrastructure
VI virology
Public MeSH Note: 2007
History Note: 2007
DeCS ID: 52088
Unique ID: D052585
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 2007/01/01
Date of Entry: 2006/07/05
Revision Date: 2015/06/23
Phloem - Preferred
Concept UI M0487911
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.
Preferred term Phloem
Entry term(s) Phloems



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