mesophyll

noun Botany.

1. the parenchyma, usually containing chlorophyll, that forms the interior parts of a leaf.

noun

1. the soft chlorophyll-containing tissue of a leaf between the upper and lower layers of epidermis: involved in photosynthesis

1. The tissues of a leaf that are located in between the layers of epidermis and carry on photosynthesis, consisting of the palisade layer and the spongy parenchyma. Most mesophyll cells contain chloroplasts.