medullary ray

noun

Definition of medullary ray

1 : a primary tissue composed of radiating bands of parenchyma cells extending between the vascular bundles of herbaceous dicotyledonous stems and connecting the pith with the cortex

First Known Use of medullary ray

1816, in the meaning defined at sense 1

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The first known use of medullary ray was in 1816

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Cite this Entry

“Medullary ray.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/medullary%20ray. Accessed 14 December 2019.

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