thin-walled. living cells capable of dividing and essential in photosynthesis. radial transport. energy storage. and production of protective compounds.
parenchyma cells (Wikipedia)
Parenchyma (/pəˈrɛŋkɪmə/) is the bulk of functional substance in an animal organ or structure such as a tumour. In zoology, it is the name for the tissue that fills the interior of flatworms. In botany, it is used to refer to some layers in the cross-section of the leaf.
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