Parenchyma: Is the functional tissue of an

Parenchyma is the functional tissue of an organ or a structure, such as the brain, lungs, liver, kidneys, tumours or flatworms. Learn about its etymology, types, functions and damage in different contexts from this comprehensive article. Parenchyma is a simple permanent tissue that makes up large portions of various plant organs . It consists of thin-walled living parenchymatous cells. The word parenchyma comes from the Greek words para and enchyma. Para means besides, and enchyma means infusion (i.e., tissue). Parenchyma is one of the simple permanent tissues that help in creating a major portion of fundamental or ground tissues in plants. There are mainly three types of simple permanent tissues found in plants – Parenchyma , Collenchyma, and Sclerenchyma. Parenchyma is a thin-walled, actively dividing cell that makes up the inside of many non-woody plant structures such as stems, roots, and leaves. Parenchyma tissue is a type of simple permanent tissue that is fundamental to all plants. The term ‘ parenchyma ’ has originated from the Greek word ‘Para’ which means beside and ‘Enchyma’ meaning inclusion. It was introduced in the 17th century when Robert Hooke discovered the plant cells.