In tissue: Plants. Photosynthesis, storage and support. 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. Xylem or wood is a typical complex tissue and constitutes the major portion of the vascular bundle. Tissues, simple or complex, act together as a unit to accomplish a collective function and are derived from meristems. Parenchyma cells have thin primary walls and usually remain alive after they become mature. A, tracheid with annual thickening; B-D, tracheids with bordered pits. (After Bhuya & Timm}. Dermal tissue: Consisting primarily of epidermal cells, dermal tissue covers the entire surface of a plant. In case of necessity they store food materials. Tissues made from aggregates of different cell types are called complex tissues. Xylem Tissues. Ground, vascular and dermal. 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. Fig. They help deter excess water loss and invasion by insects and microorganisms. What is the vascular system? Present in vascular plants. The vascular tissues are of two kinds: water-transporting xylem and food-transporting phloem. State the 3 types of tissues in vascular plants. Xylem is a water conducting tissue. Primary xylem and… Read More The three types of ground tissues are; Parenchyma, Collenchyma, and Sclerenchyma. Each type of tissue consists of different types of cells, has different functions, and is located in different places. What are the functions of ground tissue? 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. Complex permanent tissue is defined as a collection of structurally dissimilar cells performing a common function or set of functions. Plant tissues come in several forms: vascular, epidermal, ground, and meristematic. Table 4.1 lists the plant tissues described in this chapter and their cell types. Importance of Complex tissues: In respect of physiological and economic aspects, complex tissues are of great importance. Tissue Cell Types Function Locations Vascular tissue Xylem is made up of vessels and tracheids Phloem is made up of sieve cells and companion cells […] Primary dermal tissues, called epidermis, make up the outer layer of all plant organs (e.g., stems, roots, leaves, flowers). 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. 8: Tracheids. tissues. They give mechanical strength to plant organ. What are the functions? Composed of two or more kinds of cells. They perform many basic plant cell functions, including storage, photosynthesis, and secretion. What are complex tissues? The main function of the ground tissue is to provide support, strength, and flexibility to plants. 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. Xylem and phloem together constitute the conducting tissues in plants. Function of Phloem tissue: There main function is to conduct food materials, prepared in the leaves, to different parts of the plant. 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