sclerenchymatous

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scle·ren·chy·ma

S0150800 (sklə-rĕng′kə-mə)n. A supportive plant tissue that consists of thick-walled, usually lignified cells. Sclerenchyma cells are either fibers or sclereids.
scle′ren·chym′a·tous (sklîr′ən-kĭm′ə-təs, -kī′mə-) adj.