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[per-uh-sahy-kuh l] /ˈpɛr əˌsaɪ kəl/

noun, Botany.
the outermost cell layer of the stele in a plant, frequently becoming a multilayered zone.
a layer of plant tissue beneath the endodermis: surrounds the conducting tissue in roots and certain stems
A layer of nonvascular tissue that surrounds the vascular tissues in the roots of plants and is in turn surrounded by the endodermis. New lateral roots begin growth from the pericycle.


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