Education Journalist | Study Abroad Lead
The epidermis is the outermost layer of cells in both animals and plants.
- In animals, the epidermis serves to protect the underlying tissues and organs from external damage.
- In plants, the epidermis functions in a similar way to protect the plant from external damage and prevent water loss.
- In plants, the epidermis is composed of a single layer of cells that cover the entire surface of the plant, including the leaves, stems, and roots.
- Plant tissues are classified as the epidermis, ground tissue, and vascular tissue.
Role of Epidermis in Plants
Epidermis provides a protective barrier against environmental stresses such as drought, excess light, and pathogens.
- The epidermis in plants has stomata, which are small pores on the surface of the leaves that allow for gas exchange between the plant and the atmosphere.
- The stomata are surrounded by specialized cells called guard cells, which regulate their opening and closing to control the rate of gas exchange and water loss.
- It regulates the secretion of metabolic substances.
- Epidermis absorbs water and essential minerals.
- It protects the plant from mechanical injury and parasitic fungus invasion and facilitates the absorption of water by roots.
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