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secondary phloem
noun
- phloem derived from the cambium during secondary growth.
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Example Sentences
The secondary phloem contains numerous thick-walled fibres, parenchymatous cells, and large sieve-tubes with plates on the radial walls; swollen parenchymatous cells containing crystals are commonly met with in the cortex, pith and medullary-ray tissues.
From Project Gutenberg
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