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Chp. 29 Vocabulary
| Word | Defination |
|---|---|
| 1.) Parenchyma | in higher plants, the fundamental tissue that is composed of thin-walled living cells that function in photosynthesis and storage |
| 2.) Collenchyma | a group of elongated, thick-walled plant cells that support the growth of leaves and stems |
| 3.) Sclerenchyma | a type of plant tissue composed of cells that have thickened secondary cell walls that function in plant support |
| 4.) Epidermis | the outer surface layer of cells of a plant or animal |
| 5.) Cuticle | a waxy or fatty and watertight layer on the external wall of epidermal cells |
| 6.) Tracheid | a thick-walled, cylindrical cell with tapered ends that is found in xylem and that provides support and conducts water and nutrients |
| 7.) Pit | thin, porous areas of the cell wall |
| 8.) Vessel element | in plants, one of the cellular components of a xylem vessel |
| 9.) Vessel | in plants, a tubelike structure in the xylem that is composed of connected cells that conduct water and mineral nutrients; in animals, a tube or duct that carries blood or another bodily fluid |
| 10.) Sieve tube member | one of the component cells of a sieve tube, which is found mainly in flowering plants |
| 11.) Sieve tube | 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 |
| 12.) Sieve plate | 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 |
| 13.) Companion cell | a cell that gives rise to sieve tubes in angiosperms |
| 14.) Meristem | a region of undifferentiated plant cells that are capable of dividing and developing into specialized plant tissues |
| 15.) Apical meristem | the growing region at the tips of stems and roots in plants |
| 16.) Lateral meristem | dividing tissue that runs parallel to the long axis of a stem or a root |
| 17.) Vascular cambium | in a plant, the lateral meristem that produces secondary xylem and phloem |
| 18.) Cork cambium | a layer of tissue under the cork layer where cork cells are produced |
Created by:
sgcook123
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