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The dermal layer consists of two parts. The epidermis is a one-cell thick, skinlike tissue that covers the entire plant. In woody plants, this tissue is stiffer and more corky. The epidermis secretes a waxy substance that coats the outside of the leaf, the cuticle. Tiny openings, called stomata, dot the surface of the leaf. The stomata open and close to release water and gasses from the plant.
Probably not. Skin is clearly an important and well-known part of a person or animal. But surprisingly, plants have an outer layer known as dermal tissue that is essentially their skin. This layer is also called the epidermis, which you may notice has the same name as our very own outer layer.In this lesson, learn more about the dermal tissue of a plant and gain an understanding of its function.robably not. Skin is clearly an important and well-known part of a person or animal. But surprisingly, plants have an outer layer known as dermal tissue that is essentially their skin. This layer is also called the epidermis, which you may notice has the same name as our very own outer layer.