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Secondary phloem


In vascular plants, phloem is the living tissue that carries organic nutrients, particularly sucrose, a sugar, to all parts of the plant where needed. In trees, the phloem is the innermost layer of the bark, hence the name,...
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Aspects of the topic secondary-phloem are discussed in the following places at Britannica. Assorted References association with cambium ( in phloem (plant tissue) ) ...cell types in the phloem may be converted to fibres. The later maturing metaphloem is not destroyed and may function during the rest of the plant’s life in plants such as palms but is replaced...
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... mature toward the outside of the cambium initial cell become secondary phloem. ... Thus the layers of secondary phloem are much thinner as a group than are the ...
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The secondary phloem formed layers of conducting sieve elements alternately with ... It is certain that the secondary phloem in the stem is very important not only ...
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The secondary. phloem formed layers of conducting sieve elements ... in the upper side of secondary phloem were longer and wider and possessed a very ...
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... roots of plants with secondary growth, primary phloem is very short-lived and, ... In secondary phloem they are usually aggregated and variously arranged among ...
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... phloem and xylem rays--the radial (or horizontal) system of the secondary plant body. ... secondary phloem. What is happening to the older secondary phloem? ...
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a. Secondary xylem and phloem are produced through periclinal divisions of the ... Therefore it includes secondary and primary phloem as well as the periderm (and ...
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Encyclopedia article about Secondary phloem. Information about Secondary phloem in the Columbia Encyclopedia, Computer Desktop Encyclopedia, computing dictionary.
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Chapter 16. Secondary Phloem. ... selected to illustrate aspects of secondary phloem, and the legends were written ... Wood and secondary phloem of Tilia. ...
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Secondary phloem is extensively developed and consists of alternating, ... Secondary phloem of North American Cycadeoidea is similar in organization ...
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... cell differentiates into either secondary xylem or phloem. ... Usually the secondary xylem is produced in much greater amounts than the secondary phloem. ...
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... plant stem showing primary and secondary xylem and phloem[1] In vascular plants, xylem is one of the two types of transport tissue, phloem being the other. ...
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