![]() ![]() These burns are severe and always require skin grafting as they result in the destruction of skin cells. Third degree burns (full thickness burns) affect all layers of the skin. Second degree burns can result from exposure to hot or scalding fluids or from flash and flame injuries. They may sometimes require skin grafting if they extend deep into the dermis. These burns require longer periods of time to heal and may result in permanent scarring. Second degree burns (partial thickness burns) affect both the epidermis and portions of the dermis. First degree burns can occur as a result of exposure to the sun (sunburn) or exposure to hot liquids. ![]() First degree burns are rarely serious and heal by themselves within days. The subcutaneous layer controls both the temperature of the skin itself and the body’s temperature.įirst degree burns (superficial burns) affect only the epidermis, causing redness and discomfort. This layer varies in size from person to person. In this layer are also large blood vessels and nerves. Subcutaneous tissue contains a layer of fat and connective tissue. The innermost layer of skin, lying under the epidermis, is called the subcutaneous layer or hypodermis. Hair follicles, oil glands and sweat glands are all found in the dermis, as are numerous blood vessels and nerves which transmit the sensations of pressure and touch. The dermis is home to many specialized cells and structures. These tissues are not arranged in layers, but are present in all layers of the skin. The dermis is composed of three types of tissue, collagen, elastic tissue and reticular fibres. Under the epidermis is the dermis, the middle layer of your skin. For example, melanocytes produce pigment that gives your skin its color. Specialized cells in the epidermis perform unique functions. It is very thin over your eyelids and is thickest on the palms of your hands. Your skin also gathers sensory information, which helps you to differentiate many sensations such as pain, temperature, and pressure. It also helps you to regulate your body temperature. Your skin protects you against infection. Its function is to provide a protective barrier against the environment. To understand fourth degree burns, some understanding of the structure and function of skin is needed. Fourth degree burn are the most serious burns that can be experienced. ![]()
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