Sclerenchyma Stem Cells

This supporting tissue is composed of two main types of cells. The first type is the fiber cell, which is elongated and has tapering ends that can interlock with other fiber cells. These elastic, interconnected cells have great tensile strength and provide flexibility in the stem and roots. The second type, sclereid cells, are shorter and more diverse in shape, and may be found in the cortexpithxylem, and phloem, providing a degree of internal support for various plant organs. Sclereids are also common components in the hard coats of many seeds and the shells of nuts.

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