PARENCHYMA

n. fundamental tissue (Anatomy, Botany and Zoology)

Parenchyma is a term used to describe a bulk of a substance. It is used in different ways in animals and in plants.The term is New Latin, from Greek parenkhuma, visceral flesh, from parenkhein, to pour in beside : para-, beside + en-, in + khein, to pour.
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Parenchyma /pa·ren·chy·ma/ [Gr.] the essential or functional elements of an organ, as distinguished from its stroma or framework. [more]Parenchyma - Community and Resources

Noun
1. animal tissue that constitutes the essential part of an organ as contrasted with e.g. connective tissue and blood vessels
(hypernym) animal tissue
2. the primary tissue of higher plants composed of thin-walled cells that remain capable of cell division even when mature; constitutes the greater part of leaves, roots, the pulp of fruits, and the pith of stems
(hypernym) plant tissue
(hyponym) chlorenchyma
(substance-holonym) leaf, leafage, foliage

(n.)
The soft celluar substance of the tissues of plants and animals, like the pulp of leaves, to soft tissue of glands, and the like.