palisade layer

noun

: 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

Word History

First Known Use

1886, in the meaning defined above

Time Traveler
The first known use of palisade layer was in 1886

Dictionary Entries Near palisade layer

Cite this Entry

“Palisade layer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/palisade%20layer. Accessed 24 Apr. 2024.

Kids Definition

palisade layer

noun
: a layer of cylinder-shaped cells that are rich in chloroplasts and are found just beneath the upper epidermis of a leaf compare spongy layer
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