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vascular ray

noun

Definition of vascular ray

: a band of usually parenchymatous cells extending from the cambium into both the xylem and phloem of a plant root or stem that conducts fluids radially and appears in a cross section like a spoke of a wheel

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First Known Use of vascular ray

circa 1673

in the meaning defined above

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  1. Britannica.com: Encyclopedia article about vascular ray

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