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phloem
phloem Bot. (ˈfləʊɛm) [a. G. phloëm (C. W. Nägeli Beiträge zur wiss. Bot. (1858) I. 9), f. Gr. ϕλόος = ϕλοιός bark + -ηµα, passive suffix.] Collective name for the cells, fibres, and vessels forming the softer portion of the fibrovascular tissue, as distinct from the xylem or woody portion; the bast...
Oxford English Dictionary
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Phloem
Secondary phloem is laid down by the vascular cambium to the inside of the established layer(s) of phloem. in the xylem: Such phloem strands are called included or interxylary phloem.
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Phloem loading
Phloem loading is the process of loading carbon into the phloem for transport to different 'sinks' in a plant. Active phloem loading allows for higher growth potential. Herbaceous plants have a relatively high growth rate and many are active phloem loaders.
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Cambium
It is found in the area between xylem and phloem. A cambium can also be defined as a cellular plant tissue from which phloem, xylem, or cork grows by division, resulting (in woody plants) in secondary
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Trunk (botany)
Under this is the inner bark which is called the phloem. The phloem is how the tree transports nutrients from the roots to the shoots and vice versa.
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Phyllanthus balgooyi
The plant is a hyperaccumulator of nickel, with a concentration of the metal exceeding 16% in the plant's phloem sap. Gas chromatography–mass spectrometry analysis showed that most of the nickel within the phloem sap is in form of nickel citrate.
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Vascular cambium
Unlike the xylem and phloem, it does not transport water, minerals or food through the plant. The vascular cambium produces secondary xylem on the inside of the ring, and secondary phloem on the outside, pushing the primary xylem and phloem apart
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Medullary ray (botany)
Most of these cells transform into xylem and phloem. But certain cells don't transform into xylem and phloem and remain as such. These cells cut out by the cambium towards the periphery are phloem parenchyma while those towards the pith are xylem parenchyma.
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萝卜、胡萝卜、红萝卜、白萝卜、芜菁、欧防风、樱桃萝卜、黄萝卜等各种萝卜有什么区别？有哪些吃法？
萝卜横切面 胡萝卜横切面 多汁的胡萝卜，是因为其次生韧皮部（phloem）含有大量的薄壁组织细胞。 木质部中也有薄壁组织（parenchyma）。 营养成分差别也挺大。
zhihu
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Ascent of sap
Phloem structure
The phloem is the living portion of the vascular system of a plant, and serves to move sugars and photosynthate from source cells to These types are xylem and phloem sap, both differing in their compositions. Sap that is transported in the phloem is mainly made of water.
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Foamy bark canker
If bark is removed, necrosis of the phloem can be observed surrounding the entry hole(s). Necrosis of xylem and phloem tissues underneath bark can be observed.
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Jean-Louis Bonnemain
, sometimes, by the presence of a phloem included in the wood, in fact supernumerary phloem whose functions were not well known. During his thesis, Jean-Louis Bonnemain showed that the external phloem and supernumerary phloem of Solanaceae form a complex network with junctions at
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Elm yellows
It is caused by phytoplasmas which infect the phloem (inner bark) of the tree. Death of the phloem essentially strangles the tree.
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Bast fibre
Bast fibre (also called phloem fibre or skin fibre) is plant fibre collected from the phloem (the "inner bark", sometimes called "skin") or bast surrounding It supports the conductive cells of the phloem and provides strength to the stem.
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Vascular plant
Two kinds of vascular tissue occur in plants: xylem and phloem. instructa" (diploid phase with xylem and phloem).
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