Parenchyma

Chambers's Encyclopaedia, Volume 7: Maltebrun to Pearson, p. 760

Parenchyma, a technical name for that kind of vegetable tissue in which the component cells are roundish or polyhedral, touching each other by their broad faces, fitting more or less closely, as in the green 'palisade-parenchyma' of the upper part of a leaf, or leaving wide intercellular spaces, as in the 'spongy parenchyma' of the lower part. See CELL, LEAF.

Source scan(s): p. 0775