Definition of Phloem

1. Noun. (botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes.

Exact synonyms: Bast
Category relationships: Botany, Phytology
Generic synonyms: Vascular Tissue
Terms within: Sieve Tube



Definition of Phloem

1. Noun. (botany) A vascular tissue in land plants primarily responsible for the distribution of sugars and nutrients manufactured in the shoot. ¹

2. Noun. (alternative form of phloem) ¹

¹ Source: wiktionary.com

Definition of Phloem

1. a complex plant tissue [n -S]

Medical Definition of Phloem

1. Tissue forming part of the plant vascular system, responsible for the transport of organic materials, especially sucrose, from the leaves to the rest of the plant. Consists of sieve tubes, companion cells, fibre cells and parenchyma. (31 Dec 1997)

Phloem Pictures

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Lexicographical Neighbors of Phloem

phlegmonous abscess
phlegmonous cellulitis
phlegmonous enteritis
phlegmonous erysipelas
phlegmonous gastritis
phlegmonous mastitis
phlegmonous ulcer
phlegmons
phlegms
phlegmy
phleme
phleomycin
phleomycins
phleum
phlobaphene
phloem (current term)
phloemic
phloemlike
phloems
phlogistian
phlogistians
phlogistic
phlogistical
phlogistically
phlogisticate
phlogisticated
phlogisticated air
phlogisticates
phlogisticating
phlogistication

Literary usage of Phloem

Below you will find example usage of this term as found in modern and/or classical literature:

1. Plant Anatomy from the Standpoint of the Development and Functions of the by William Chase Stevens (1907)
"down new phloem elements. Early spring additions to the phloem seem to be more imperative in some plants than in others, because in some the sieve tubes are ..."

2. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"Secondary xylem and secondary phloem are formed by a layer of embryonic cells which arise on the inner border of the primary phloem. ..."

3. Plant Anatomy from the Standpoint of the Development and Functions of the by William Chase Stevens (1916)
"As to the length of life of the phloem elements, in some plants the sieve tubes ... The companion and phloem parenchyma cells may die with the seive tubes, ..."

4. Systematic Anatomy of the Dicotyledons: A Handbook for Laboratories of Pure by Hans Solereder (1908)
"In most cases we find the internal phloem passing to the outside (simultaneously with the primary vessels) already in the region of the hypocotyl, ..."

5. The Anatomy of Woody Plants by Edward Charles Jeffrey (1917)
"CHAPTER VIII THE FIBROVASCULAR TISSUES—phloem The ligneous or woody tissues which have been discussed under various headings in previous chapters are of ..."

6. Comparative Anatomy of the Vegetative Organs of the Phanerogams and Ferns by Anton Bary (1884)
"The double-contoured bands on the outer edge of the phloem, inside the layer of cells following и, indicate the collapsed primitive elements of the phloem ..."

7. The Encyclopaedia Britannica: “a” Dictionary of Arts, Sciences, Literature edited by Hugh Chisholm (1911)
"A tissue mother-cell oí the phloem may give rise to (i) a ... At certain points the cambium loes not give rise to xylem and phloem elements, ..."

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