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vascular ray
noun
, Botany.
- a radiate band of parenchyma in the secondary xylem extending into the secondary phloem of the stems of certain vascular plants, formed by the cambium and serving for the storage of food and the conduction of nutriments.
vascular ray
noun
- another name for medullary ray
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Word History and Origins
Origin of vascular ray1
First recorded in 1665–75
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