Dermis Layers. Definition of Dermal Tissue and Ground Tissue. The simple permanent tissue forms tissue systems such as epidermal tissue and ground tissue. The dermal tissue system protects the soft tissues of plants and controls interactions with the plants' surroundings. The outside of the dermal tissue is called the epidermis. Dermal tissue covers the outside of the plant, except in woody shrubs and trees, which have bark. Dermis: The lower or inner layer of the two main layers of cells that make up the skin.The dermis contains blood vessels, lymph vessels, hair follicles, and glands that produce sweat, which helps regulate body temperature, and sebum, an oily substance that helps keep the skin from drying out. See more. Above and beyond tissues, plants also have a higher level of the structure called plant tissue systems. The most common cell type in dermal tissue is the epidermal cell. Other connective tissue diseases. Characteristics of Dermal Tissue and Ground Tissue Composition There are three types of plant tissue systems: dermal tissue, vascular tissue, and ground tissue systems. Dermatomyositis can cause heart muscle inflammation. Ground Tissue: Ground tissue is the tissue system that makes most of the soft internal parts of the plant body. The dermal tissue consists of the epidermis and the periderm. Dermal tissue is the "outside" or outer part of a plant, which operates to control water and gas exchanges from the plant to the environment outside of the plant. It is the most impenetrable layer of the skin, and generally, it is composed of elastic and fibrous tissue. This tissue, which consists mainly of parenchyma cells, also has the ability to store food and water. dermal: [adjective] of or relating to skin and especially to the dermis : cutaneous. Sweat and sebum reach the skin's surface through tiny openings in the skin that act as pores. In short, it delivers strength and elasticity to the skin. The classification of plant tissues is shown in figure 1. Dermal Tissue: Dermal tissue is the tissue system that make the outer covering of a plant body. Dermal tissue functions to protect the plant from injury and water loss. The dermal layer is generally composed of two layers of cells: Papillary Dermis; Reticular Dermis. These tissues can be simple, consisting of a single cell type, or complex, consisting of more than one cell type. Cardiovascular disease. Dermal tissue, for example, is a simple tissue that covers the outer surface of the plant and controls gas exchange. Vascular tissue is an example of a complex tissue, and is made of two specialized conducting tissues: xylem and phloem. Meaning and definition of dermal tissue system : The protective covering of plants, generally a single layer of tightly packed epidermal cells covering young plant organs formed by primary growth. 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