aerenchyma
noun
aer·en·chy·ma
ˌer-ˈeŋ-kə-mə 
: modified parenchymatous tissue having large intracellular air spaces that is found especially in aquatic plants where it facilitates gaseous exchange and maintains buoyancy
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“Aerenchyma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aerenchyma. Accessed 16 Apr. 2024.
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