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
First Known Use of vascular ray
Learn More about vascular ray
Britannica.com: Encyclopedia article about vascular ray
Seen and Heard
What made you want to look up vascular ray? Please tell us where you read or heard it (including the quote, if possible).