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English: xylem (blue) carries water from the roots upwards phloem (orange) carries products of photosynthesis from the place of their origin (source) to organs where they are needed (roots, storage organs, flowers, fruits – sink); note that e.g. the storage organs may be source and leaves may be sink at the beginning of the growing season
The most distinctive xylem cells are the long tracheary elements that transport water. Tracheids and vessel elements are distinguished by their shape; vessel elements are shorter, and are connected together into long tubes that are called vessels. [6] Xylem also contains two other type of cells: parenchyma and fibers. [7] Xylem can be found:
Download as PDF; Printable version; ... Diagram of a plant cell and its constituent organelles. --> ... An example of the template with all diagrams activated.
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English: A cross section of a leaf showing the phloem, xylem, sclerenchyma and collenchyma, and mesophyll. —Microscope images used— Xylem and phloem File:Lamium sp., stalk, Etzold green 5.jpg, by Micropix. Sclerenchyma and collenchyma File:Plant cell type sclerenchyma fibers.png and File:Plant cell type collenchyma.png, by Snowman frosty
Added Companion cells. also aligned the numbers : 00:16, 13 November 2012: 512 × 384 (61 KB) Barakplasma: resized the elements in the image. Added Creative Commons attribution metadata. 00:09, 13 November 2012: 512 × 384 (56 KB) Barakplasma: Centered the image. 00:06, 13 November 2012: 512 × 384 (55 KB) Barakplasma: User created page with ...
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