Cuticle

(From Latin cuticula - skin) - a layer of fatty (waxy) substance that covers the surface of the epidermis of aerial organs with a continuous film; poorly permeable to aqueous solutions, gases, and microorganisms. A thick cuticula, densely covered with wax crystals, is a characteristic feature of xerophytes. The relief of the cuticula follows and often accentuates the relief of the outer walls of …

(From Latin cuticula - skin) - a layer of fatty (waxy) substance that covers the surface of the epidermis of aerial organs with a continuous film; poorly permeable to aqueous solutions, gases, and microorganisms. A thick cuticula, densely covered with wax crystals, is a characteristic feature of xerophytes. The relief of the cuticula follows and often accentuates the relief of the outer walls of epidermal cells, resulting in a surface structure specific to species.