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Question

What are medullary rays and what are their functions?

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Solution

  • Medullary rays are strips of parenchyma present between vascular bundles of dicot stem. They separate xylem and phloem bundles.
  • They serve as a link between pith and cortex. They are also known as pith rays and vascular rays.
  • They perform various functions like food storage, storage of tannins, transport of food and water, gaseous exchange, etc.

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