Cortex

• Title

  Cortex

• Definition

  A band of tissue in a stem or root between the bark and the vascular tissue. The cortex is made of of large, thin-walled parenchyma cells.

• Notes

  The cortex is found in young stems. As the stems age, the cortex is crowded out by the growth of xylem, phloem, and bark. Cortical bundles are a feature of Lecythidaceae.

• Related Terms

  Cortical bundle

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