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. 4. The main function of xylem cells is to carry water and soluble minerals from the root to the leaves of a plant. Xylem vessels are made up of cells known either as tracheids or vessel members. Xylem and phloem in roots. Xylem is present in vascular plants and is made up of different types cells, such as … The xylem and phloem are grown within the central section of a root called a ‘stele’. Xylem and phloem together constitute the conducting tissues in plants. It is responsible for replacing water lost through transpiration and photosynthesis. Xylem and Phloem are two different types of tissues which function by transporting minerals, water, nutrients, from the roots to other parts of the plant. What is xylem? The main function of xylem is … The water-conducting function of xylem is one of the major distinguishing features of vascular plants. The main function of xylem is to transport water and some soluble nutrients including minerals and inorganic ions upwards from the roots to the rest of the plant . 2. High [sugar] and thus lower [water] in sieve cells results in osmosis of water from outside sieve cells into the sieve cells. Xylem is one of the two types of transport tissue in vascular plants (phloem is the other). Functions of Xylem and Phloem. However, a secondary function of xylem tissue is to provide support for the plant. 3. The term xylem was proposed by Nageli (1858) and he derived the word from a Greek word ‘xylos’ meaning wood. All vascular plants have tracheids, which are less specialized but have a special cell wall known as a pit membrane. The xylem is one of the conductive tissues in plants. Increased pressure at site of phloem loading and osmosis causes flow in sieve cells that is away from site of phloem loading. Explore the major difference between the two. Xylem vessels have lignified walls (thickened with lignin, which is a complex aromatic compound) Function: Waterproof/impermeable; stops the inward collapse of the xylem vessel under tension In eudicots, the xylem usually forms a cross of cells within the stele which runs the length of the root. This structure prevents the passage of damaging air bubbles from one xylem … Functions of xylem:Conductive tissue: moving water from the roots through the stems to the leaves. Four independent phloem strands grow between each bar of the xylem cross. Xylem cells form long tubes that transport materials and the mixture of water and nutrients that flows through the xylem cells is called xylem sap. 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