difference between sclerencyma fibres and sclereids
Answers
Answer:
The main difference between fibres and sclereids is that fibres are unbranched, elongated cells whereas sclereids are short, isodiametric or irregular cells that may be branched or unbranched. Moreover, fibres have tapering end walls while the end walls of the sclereids are blunt.
Explanation:
Sclereids. Sclereids are a type of sclerenchyma cells which are of varied shape, predominantly in oval or round shape. Sclereids are short cells which are composed of lignified secondary cell walls and simple pits. They are derived from mature parenchymal cells and have a high degree of lignification. They also provide mechanical strength to plants and composed of multi-layers of cells.
Types of Sclereid Cells
There are 5 main classes of sclereid cells depending on the size and the shape of the cell; Brachysclereids or stone cells, Macrosclereids, Osteosclereids, Astrosclereids, and Trichosclereids.
Sclerenchyma fibre
Sclerenchyma, in plants, support tissue composed of any of various kinds of hard woody cells. Mature sclerenchyma cells are usually dead cells that have heavily thickened secondary walls containing lignin. The cells are rigid and nonstretchable and are usually found in nongrowing regions of plant bodies, such as the bark or mature stems. Sclerenchyma is one of the three types of ground, or fundamental, tissue in plants; the other two types are parenchyma (living thin-walled tissue) and collenchyma (living support tissue with irregular walls). Sclerenchyma cells occur in many different shapes and sizes, but two main types occur: fibres and sclerchyma
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