Malpighian layer

noun

: the deeper part of the epidermis consisting of cells whose protoplasm has not yet changed into horny material

Word History

First Known Use

1871, in the meaning defined above

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The first known use of Malpighian layer was in 1871

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“Malpighian layer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Malpighian%20layer. Accessed 31 Oct. 2025.

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Medical Definition

Malpighian layer

noun

: the deepest part of the epidermis that consists of the stratum basale and stratum spinosum and is the site of mitotic activity

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Malpighian layer

noun

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