Thick-walled and lignified with simple pits i | vedclass

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(D) $Sclereids$ are a type of sclerenchyma cells that are lignified and possess extremely thick walls. Due to the heavy deposition of lignin, the cell

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Sclereids

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(D) $Sclereids$ are a type of sclerenchyma cells that are lignified and possess extremely thick walls. Due to the heavy deposition of lignin, the cell lumen is almost obliterated. These cells lack living protoplasm at maturity. They are typically isodiametric or irregular in shape (spherical, oval, cylindrical, $T$-shaped, or stellate) and are commonly found in the hard parts of plants, such as fruit walls of nuts, pulp of guavas, and seed coats of legumes.

Thick-walled and lignified with simple pits in walls and non-prosenchymatous cells without living protoplasm, usually isodiametric or irregular in shape, are:

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