Question

what are the functions of collenchyma in plants?

Answer 1

What are Collenchyma Cells?

Humans and animals have bones to provide support and structure. While plants don't have bones, they do contain a variety of structural cells that have different compositions and functions. In this lesson, we'll be taking a look at collenchyma cells, which help plants stay standing.

Collenchyma cells are elongated cells with irregularly thick cell walls that provide support and structure. Their thick cell walls are composed of the compounds cellulose and pectin. These cells are often found under the epidermis, or the outer layer of cells in young stems and in leaf veins.


Collenchyma cells provide structural support, protecting the plant by serving as an inner framework, much like bones do for humans and other animals. Plants are exposed to numerous structural challenges and without these cells, most plants would be too fragile to withstand the damage caused by heavy rains, high winds, and other stresses.

The thickened walls of the collenchyma cells enable them to provide additional support to the areas where they are found. Most notably, collenchyma cellsserve growing parts of the plant, such as shoots and leaves, both by providing support and by filling in vacant spaces that will be used for later growth.



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