Epidermis: Active Stem Cells

The skin is divided into three different parts including the epidermis, dermis, and hypodermis. The epidermis is the outermost layer of the skin. This region of the skin has no blood cells or blood vessels running through it. All of the nutrients that the epidermis needs are received through diffusion from the dermis. The epidermis is made up of stratified squamous epithelial cells. The epidermis is made of five separate layers: the stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and the stratum corneum. Starting at the innermost layer, the stratum basale is where mitosis of keratinocytes takes place. This layer of the epidermis also contains melanocytes which give the skin it’s pigment. As mitosis takes place in the stratum

* Healing: When the epidermis breaks away due to a minor cut or burn, the cells on the lower layers of the skin migrate upwards as a sheet. When two ends of the sheet meet, the cells stop growing due to a process called 'contact inhibition'. Thus, the epidermis is sealed and the skin returns to normal.

The three layers that make up healthy skin: Epidermis, Dermis and Hypodermis. Epidermis is composed of keratinized, stratified squamous epithelium. This layer provides a thick, water proof protective covering over the underlying skins. The dermis layer is composed of primarily of dense, irregular, fibrous connective tissue that is rich in collagen and elastin. The dermis contains blood vessels, nerve ending, and epidermally derived cutaneous oranges such as sweat glands, sebaceous glands and hair follicles. The last layer is Hypodermis this layer is composed primarily of loose dead skin. The fat layer provides cushioning and insulation for

Skin is the largest organ on the body. It has two layers: the thin outer layer is made up of dead skin cells that are constantly shed and replaced by new cells. The thick inner layer is made up of blood vessels, nerves, and hair follicles, which contain glands. The glands in the hair follicles produce an oily substance called sebum, which keeps the skin and hair from drying out. Daily washing will keep the skin on the face and other areas of the body clean by removing the dirt, oil, and dead cells before they can accumulate.

The Skin has numerous functions as it serves as a protective barrier, regulates body temperatures, controls water retention, and secretes sweat and so on. The anatomy of skin can be broken down into three different layers which include; the epidermis, dermis, and the subcutaneous tissue also known as the hypodermis. The purpose of this paper is to explain the relationship between the layers of skin and friction skin

The outermost layer of the epidermis is known as the stratum corneum, it is water resistant and when not damaged, it protects the body from foreign substances such as bacteria, virus etc. it also ensures the protection of muscles, blood vessels, nerves and internal organs. The skin is also thicker in regions that requires more protection such as the sole of the feet and palms.

Skin repair is an important physiological process which is essential for homeostasis, restoring barrier function and preventing infection (Martin, 2009; Boateng and Catanzano, 2015). Wound healing is defined as a complex, dynamic and the specific biological process associated with the phenomena of tissue regeneration and growth (Mazumder et al., 2016). Regeneration can be defined as a tissue that significantly damaged either completely or partially removed and tissue's original function and cell types must be functional and structurally restored (Mazumder et al., 2016). The process of healing comprises a cytokine, blood cells, extracellular matrix and growth factor (Joao De Masi et al., 2016). The growth factor is a protein that activates and

There are three primary layers of the skin: the outer layer, the epidermis and the layer beneath, the dermis and the hypodermis. The epidermis is thin, tough and waterproof while protecting the body from outside bacteria invading the body. It also contains keratinocytes which are from the basal layer which is the deepest layer of the skin. The keratinocytes reach up to the epidermis, shed and new ones form again. The dermis is the second layer of the skin and is the thickest. It is made from fibrous and elastic tissues which are made from fibrillin, elastin and collagen to create the strength and flexibility. It also contains sweat and oil glands, nerve endings, blood vessels and hair follicles. Sweat glands help the body cool off during heat

The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.

The skin is one of the most important organs of the whole human body. It is the largest organ in the human body and contains various functions including protecting the body from injury and preventing fluids from leaving or entering the body (Boer et al. 2016). In animals, the skin has various functions as well. The skin aids with locomotion in bats and aquatic mammals, help camouflage the body in chameleons, helps with finding mates for deer with their white tail, and serves for many other purposes. The skin is composed of three layers in the human body: the epidermis, dermis, and subcutaneous layer. Melanin is produced from melanocytes in the epidermis of the skin. Melanin is important for protection from ultra-violet (UV) rays.

“The skin is the largest, most visible, and most complicated of the body systems. In an average adult, it covers more than 3,000 square inches and weighs about six pounds. It is served by one third of all the blood circulating the body” (Saxon, 2010, p. 17).The skin has many functions in which one needs in order to stay healthy and living. The skin protects the underlying tissues and structures of one’s body, and prevents them from drying or obtaining an excessive loss of water and electrolytes. It also regulates the temperatures in the body through mechanisms such as sweating and shivering. Acting as a physical, chemical, and biological barrier, the skin protects from harmful bacteria and foreign substances contacting with the body. Most importantly,

The skin is the largest organ of the body; although, it is only a few millimeters thick. It helps to protect the body from chemicals, ultraviolent light, disease, and physical damage. The epidermis is the outer layer of skin that covers almost the entire body. This layer lies above, and protects the dermis, which is the inner layer of the skin. The epidermis does not contain blood or blood vessels; however, the dermis does. There

course of life, the cells of the outer layer of the epidermis are sloughed off; this

This tiny amount of damage stimulates the production of collagen which the skin uses to repair itself. As these repairs occur, new skin cells are grown, healing the damage caused by the sun, aging, and many other forms of exposure.

The skin is made up of 2 main layers called the Dermis and the epidermis. The