Noun
The soft celluar substance of the tissues of plants and animals, like the pulp of leaves, to soft tissue of glands, and the like.
Source: Webster's dictionaryApart from the xylem and phloem in their vascular bundles, leaves are composed mainly of parenchyma cells. Source: Internet
The consistent parenchyma tissue, the clonal nature of the plant and the low metabolic activity provide a very nice "model tissue" for experimentation. Source: Internet
The lungs contain the respiratory tract and its lining, which terminate in alveoli, the tissue in between (called interstitium or parenchyma ), and veins, arteries, nerves and lymphatic vessels. Source: Internet
The increase in the risk of nerve injury can be due to the increased vascularity of the thyroid parenchyma and the development of links between the thyroid capsule and the surrounding tissues. Source: Internet