Cross Section of a Leaf
However, small a leave may be, its surface is large enough so that it can get enough light, water and food for its survival. The cross section of a leaf is a remarkable sight. It includes the protective layers of the upper and lower epidermis as well as veins, also called the vascular bundle, which carry water and minerals through tubes (xylem) and food and sugar though the phloem. Other parts of the leaf include the cutitle, stoma, guard cell, and the mesophylls '" spongy and palisade. To see a picture of the cross section of a leaf, along with the various parts and definition, visit the website of Enchanted Learning at http://www.enchantedlearning.com/subjects/plants/leaf/label/crosssection/. In addition, Purchon.Com has a beautiful interactive illustration of the leaf cross section at its website at http://www.purchon.com/biology/flash/leaf.swf.
Posted by Imnerdy on 9/3/2009
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Microworld - 7th Grade; Leaf Cross-section and the Processes of Gas Exchange and Transpiration ... I. Draw a leaf cross-section and label the following parts ... Other Projects; Virus Reproduction / Cross Section of a Leaf...
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Leaf Cross Sections Diagram Printout. ... Label Leaf Cross Section ... This is a thumbnail of the leaf cross section Label Me! diagram. The full-size printout is available only to site members.
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Diagram of leaf structure. Note the arrangement of tissue layers within the leaf ... Lily Parenchyma Cell (cross-section) (TEM x7,210). in the center of the cell, ... Phloem cells as seen in longitudinal section. Note the longitudinal view of the sieve plate inside the large sieve tube cell. Right image is a diagram of...
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Click on the leaf cross section to learn more about the anatomy of a leaf ... 3. The leaf veins which transport water and inorganic compounds into the leaf, and organic compounds produced by photosynthesis away from the leaf, to other parts of the plant.
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Scanning Electron Microscopic Picture of a Freeze-Dried Cross-Section Through a Bean Leaf (Phaseolus vulgaris) ... E Upper and lower epidermis, Sz Guard cell, P Cells of the palisade parenchyma, S Cells of the spongy parenchyma, I Intercellular space. The classic light microscopy reveals the cell contents while an imprint...
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Cross-section through the Leaf of a Graminea (Dactylis glomerata) ... ; The depicted leaf is folded. A lot of sclerenchyma cells are in the rib area at the lower side (counter bearing). This is opposed by two stripes of large cells with thin walls that unfold the lamina when fully turgescent (photography by W. KASPRIK).
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Cross-section of Castalia lea ... What is the name for the cell with long projections? ... What is its function?
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File Name: leafxsection_11962; Description: Cross section of a leaf, showing the breathing pores and intercellular spaces. The small dots are grains of chlorophyll. Source: G. F. Warren, Elements of Agriculture (London, MacMillan and Co., Ltd., 1913)67;
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Because the CO2 collected in the many mesophyll cells is being concentrated into a few bundle sheath cells , the plants can keep a higher concentration of CO2 in the bundle sheath cells (where the dark reactions and photosythesis are occurring) than it can elsewhere in the leaf.
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