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types of complex tissues in plants

Present in vascular plants. Tissues made from aggregates of different cell types are called complex tissues. They perform many basic plant cell functions, including storage, photosynthesis, and secretion. Plant tissues come in several forms: vascular, epidermal, ground, and meristematic. What are the functions of ground tissue? Xylem Tissues. In tissue: Plants. What are complex tissues? What are the functions? They help deter excess water loss and invasion by insects and microorganisms. tissues. Complex permanent tissue is defined as a collection of structurally dissimilar cells performing a common function or set of functions. Ground tissue: This tissue type makes up most of a plant’s body and contains three types of cells: Parenchyma cells are the most common ground tissue cells. The three types of ground tissues are; Parenchyma, Collenchyma, and Sclerenchyma. The main function of the ground tissue is to provide support, strength, and flexibility to plants. Tissues, simple or complex, act together as a unit to accomplish a collective function and are derived from meristems. They give mechanical strength to plant organ. Importance of Complex tissues: In respect of physiological and economic aspects, complex tissues are of great importance. The vascular tissues are of two kinds: water-transporting xylem and food-transporting phloem. Vascular tissues are also called conducting tissues as they play an important role in the transportation of water and food in plants. Xylem can be defined as a complex tissue that is composed of four basic types of cell (tracheids, trachea, and xylem fibre and xylem parenchyma), remains in close association with phloem and has specialized functions like conduction of water and solutes, and mechanical strength. Xylem and phloem together constitute the conducting tissues in plants. Xylem or wood is a typical complex tissue and constitutes the major portion of the vascular bundle. Table 4.1 lists the plant tissues described in this chapter and their cell types. Function of Phloem tissue: There main function is to conduct food materials, prepared in the leaves, to different parts of the plant. Xylem is a water conducting tissue. Dermal tissue: Consisting primarily of epidermal cells, dermal tissue covers the entire surface of a plant. The ground tissue of plants includes all tissues that are neither dermal nor vascular.It can be divided into three types based on the nature of the cell walls. (After Bhuya & Timm}. In case of necessity they store food materials. What is the vascular system? Parenchyma cells have thin primary walls and usually remain alive after they become mature. Complex tissues are of following two types.They are Xylem and Phloem Xylem : Its main function is conduction of water and mineral salts from root to the top of plant.Primary xylem elements originate from procambuim of apical meristem.Secondary xylem elements originate from the vascular cambium of lateral meristem. Each type of tissue consists of different types of cells, has different functions, and is located in different places. Ground, vascular and dermal. 8: Tracheids. Fig. The complex tissue consist of more than one type of cells.All the cells coordinate to perform a common function.they transport water,minerals salts,food material to various parts of plant body. Primary xylem and… Read More Photosynthesis, storage and support. A, tracheid with annual thickening; B-D, tracheids with bordered pits. State the 3 types of tissues in vascular plants. Composed of two or more kinds of cells. 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