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phloem

n. 韧皮部

韧皮部

WordNet (r) 3.0 (2006) (WordNet)

phloem
n 1: (botany) tissue that conducts synthesized food substances
(e.g., from leaves) to parts where needed; consists
primarily of sieve tubes [synonym: {phloem}, {bast}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Phloem \Phlo"["e]m\, n. [Gr. ? bark.] (Bot.)
That portion of fibrovascular bundles which corresponds to
the inner bark; the liber tissue; -- distinguished from
{xylem}.
[1913 Webster]

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Phloem - Wikipedia
In trees, the phloem is the innermost layer of the bark, hence the name, derived from the Ancient Greek word φλοιός (phloiós), meaning "bark" [3][4] The term was introduced by Carl Nägeli in 1858 [5][6] Different types of phloem can be distinguished
Phloem | Definition, Function, Examples, Facts | Britannica
phloem, plant vascular tissue that conducts foods made in the leaves during photosynthesis to all other parts of the plant Phloem is composed of various specialized cells called sieve elements, phloem fibres, and phloem parenchyma cells
Xylem and Phloem - Plant Vascular System
Phloem transports organic nutrients, particularly sugars synthesized during photosynthesis, from the leaves to all other cells of the plant, including the roots
Phloem - Structure and Function - GeeksforGeeks
Definition of Phloem: Phloem is a type of vascular tissue responsible for transporting organic materials produced during photosynthesis, called photosynthates, from the leaves to other parts of the plant body, including the stem and the roots
Phloem - University of Florida
Phloem is the tissue system responsible for the movement of food materials in the plant - especially sugar made through photosynthesis Phloem is made up of several cell types:
What Is the Function of Phloem in Plants? - Biology Insights
Phloem is a specialized tissue found in vascular plants, forming a crucial part of their transport system This tissue acts like an internal network, moving various substances throughout the plant body
Phloem - Definition, Function and Structure | Biology Dictionary
Phloem is the complex tissue, which acts as a transport system for soluble organic compounds within vascular plants
5. 2. 1 - Phloem structure and function | Plants in Action
In most plant species, phloem is made up of phloem fibres, phloem parenchyma, sieve cells (sieve elements) and their accompanying companion cells (Figure 5 5a)

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