pericycle

American  

[per-uh-sahy-kuhl] / ˈpɛr əˌsaɪ kəl /

noun

Botany.

1. the outermost cell layer of the stele in a plant, frequently becoming a multilayered zone.

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pericycle British  

/ -ˈsɪk-, ˌpɛrɪˈsaɪklɪk, ˈpɛrɪˌsaɪkəl /

noun

1. a layer of plant tissue beneath the endodermis: surrounds the conducting tissue in roots and certain stems

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pericycle Scientific  

/ pĕr′ĭ-sī′kəl /

1. 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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Other Word Forms

• pericyclic
  adjective

Etymology

Origin of pericycle

From the Greek word períkyklos, dating back to 1890–95. See peri-, cycle

Example Sentences

See Examples For:

pericycle

The outermost cell layer of the root’s vascular tissue is the pericycle, an area that can give rise to lateral roots.

From Textbooks ● Jun. 9, 2022

Another ring of cells, called the endodermis, surrounds the pericycle.

From Textbooks ● Jan. 1, 2015

Phloem cells fill the space between the X. A ring of cells called the pericycle surrounds the xylem and phloem.

From Textbooks ● Jan. 1, 2015

A thick layer of cortex tissue surrounds the pericycle.

From Textbooks ● Jan. 1, 2015

The root is diarch in structure, but additional protoxylem-strands may be present at the base of the main root; the pericycle consists of several layers of cells.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" by Various