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1. (n.) phloem
the part of a vascular bundle consisting of sieve tubes, companion cells, parenchyma, and fibers and forming the food-conducting tissue of a plant.
Etymology: (< G (1858), irreg. < Gk phló(os) bark (var. of phloiós) +-ēma deverbal n. ending)
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| Definition of 'phloem' |
Princeton's WordNet |
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1. (noun) phloem, bast
(botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes
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| Definition of 'phloem' |
Webster Dictionary |
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1. (noun) phloem
that portion of fibrovascular bundles which corresponds to the inner bark; the liber tissue; -- distinguished from xylem
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| Definition of 'phloem' |
U.S. National Library of Medicine |
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1. phloem
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.
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Definitions of phloem 
