palisade layer

noun

Definition of palisade layer

: a layer of columnar cells rich in chloroplasts found beneath the upper epidermis of foliage leaves

called also palisade mesophyll, palisade parenchyma, palisade tissue

— compare spongy parenchyma

First Known Use of palisade layer

1886, in the meaning defined above

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The first known use of palisade layer was in 1886

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Cite this Entry

“Palisade layer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/palisade%20layer. Accessed 22 Jun. 2021.

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