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primary protective layer

noun
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Definition of primary protective layer

: a layer developed within the separation layer in leaves of deciduous plants at the time of leaf fall that protects the exposed cells from desiccation and infection until the periderm forms

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primary protective layer

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“Primary protective layer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/primary%20protective%20layer. Accessed 23 May. 2022.

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