vascular ray

noun

: 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

Word History

First Known Use

circa 1673, in the meaning defined above

Kids Definition

vascular ray

noun

: a band of tissue in a root or stem of a vascular plant that looks in cross section like a spoke of a wheel and that carries fluids along a radius away from the center of the root or stem