pa·ren·chy·ma (p -r ng k-m)n. 1. Anatomy The tissue characteristic of an organ, as distinguished from associated connective or supporting tissues. 2. Botany The primary tissue of higher plants, composed of thin-walled cells and forming the greater part of leaves, roots, the pulp of fruit, and the pith of stems. [New Latin, from Greek parenkhuma, visceral flesh, from parenkhein, to pour in beside : para-, beside; see para-1 + en-, in; see en in Indo-European roots + khein, to pour; see gheu- in Indo-European roots.] pa·ren chy·mal, par en·chyma·tous (p rn-k m-ts) adj.par en·chyma·tous·ly adv. |
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