spongy parenchyma

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noun Botany.

the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.

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Also called spongy mesophyll.

Origin of spongy parenchyma

First recorded in 1880–85

Words nearby spongy parenchyma

spongillafly, spongin, spongioblast, spongocoel, spongy, spongy parenchyma, sponsion, sponson, sponsor, sponsored, sponsored content

Scientific definitions for spongy parenchyma

spongy parenchyma

[ spŭn′jē ]

A layer of cells in the interior of leaves, consisting of loosely arranged, irregularly shaped cells that have chloroplasts. The spongy parenchyma has many spaces between cells to facilitate the circulation of air and the exchange of gases. It lies just below the palisade layer. Also called spongy mesophyll See more at photosynthesis.