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| in higher plants, the fundamental tissue that is composed of thinwalled living cells that function in photosynthesis and storage |
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| a group of elongated, thickwalled plant cells that support the growth of leaves and stems |
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| a type of plant tissue composed of cells that have thickened secondary cell walls that function in plant support |
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| the outer surface layer of cells of a plant or animal |
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| a waxy or fatty and watertight layer on the external wall of epidermal cells |
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| a thick-walled, cylindrical cell with tapered ends that is found in xylem and that provides support and conducts water and nutrients |
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| in plants, the thin, porous areas of a thracheid cell wall |
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| in plants, one of the cellular components of a xylem vessel |
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| in plants, a tubelike structure in the xylem that is composed of connected cells that conduct water and mineral nutrients |
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| one of the component cells of a sieve tube, which is found mainly in flowering plants |
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| in the phloem of a flowering plant, a conducting tube that is made up of a series of sieve-tube members stacked end to end |
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| a region that connects two sieve cells and that has one or more sieve areas, which consist of clusters of pores through which the cytoplasm of the cells is connected and through which materials are transported |
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| a specialized parenchyma cell that assists in transport |
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| a region of undifferentiated plant cells that are capable of dividing and developing into specialized plant tissues |
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| the growing region at the tips of stems and roots in plants |
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| dividing tissue that runs parallel to the long axis of a stem or a root |
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| in a plant, the lateral meristem that produces secondary xylem and phloem |
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| a layer of tissue under the cork layer where cork cells are produced |
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