exodermis
noun
exo·der·mis
ˌek-sō-ˈdər-məs 
: a layer of the outer living cortical cells of plants that takes over the functions of the epidermis in roots lacking secondary thickening
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“Exodermis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exodermis. Accessed 3 Dec. 2024.
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