animal tissue that constitutes the essential part of an organ as contrasted with e.g. connective tissue and blood vessels
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
双语例句
1
The mesophyll consists of two layers of palisade parenchyma.
叶肉是由两层栅栏薄壁组织组成。
2
Within the epidermis develops a ring of parenchyma cells, the cortex.
在表皮细胞内有一个质壁细胞环，即皮层。
3
Secondary xylem consists of pitted vessels, parenchyma fibers and rays.