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单词 medullary ray
释义

medullary ray

noun

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
2
: vascular ray

Word History

First Known Use

1816, in the meaning defined at sense 1

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更新时间:2024/12/23 13:34:26