Skin is the largest organ in the human body. It is made up of three layers‚ the epidermis‚ dermis and the hypodermis. The epidermis is the outer layer of skin that keeps out harmful germs and bacteria but keeps in the vital fluids that humans need to survive. The dermis is the inner layer of skin that contains blood vessels‚ nerves‚ hair follicles‚ oil‚ and sweat glands Until the late twentieth century‚ skin grafts were constructed from the patient’s own skin. Traditional ways of dealing with large
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R. J. V. B. Anatomy and Physiology Mrs. Sprague 4/11/13 Skin Grafts After a severe burn‚ a pressure ulcer‚ or a surgical procedure‚ some of the skin on the patient may be taken away. If the damage is so great that the skin cannot regenerate on its own‚ the patient may need a skin graft. A skin graft is replacing layers of skin on the body of a patient. Although this process is long‚ painful‚ and takes long it heal it does save the lives of many people every year especially in case of burns
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SKIN I. INTRODUCTION Skin‚ outer body covering of an animal. The term skin is commonly used to describe the body covering of any animal but technically refers only to the body covering of vertebrates (animals that have a backbone). The skin has the same basic structure in all vertebrates‚ including fish‚ reptiles‚ birds‚ and humans and other mammals. This article focuses primarily on human skin. The skin is essential to a person’s survival. It forms a barrier that helps prevent harmful microorganisms
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According to The Encyclopedia of Skin and Skin Disorders‚ an insect bite is a puncture wound in the skin by any variety of insects. Some people have more reactions to bites or stings. Babies are usually more affected by bites and stings than adults. Severe allergic or toxic reactions are not common but can be life-threatening and require emergency care. Common stinging or biting insects that cause mild reactions are: mosquitoes‚ flies‚ fleas‚ bedbugs and kissing bugs‚ chiggers‚ nonpoisonous spiders
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SKIN • Largest and heaviest organ of the body; accounts for about 15% of the total body weight • Also called as cutaneous membrane • Skin contains two layers‚ the epidermis and the dermis. • The hypodermis is the layer underneath the skin. FUNCTIONS • Skin is a protective covering that prevents harmful substances from entering the body. • It helps regulate body temperature and water loss. • It houses sensory receptors and contains immune system cells. • It synthesizes chemicals and excretes
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| |INTEGUMENTARY SYSTEM - SKIN IS IN! | Integumentary? That’s a big word to describe something as simple as our skin. First‚ the skin is not all that simple. Second‚ integumentary systems are the parts in humans that include the basic types of skin‚ hair‚ fingernails‚ oil‚ and sweat glands. They are found in integument layers called the epidermis (top)‚ dermis
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Layers of the skin The skin is an ever-changing organ that contains many specialized cells and structures. The skin functions as a protective barrier that interfaces with a sometimes-hostile environment. It is also very involved in maintaining the proper temperature for the body to function well. It gathers sensory information from the environment‚ and plays an active role in the immune system protecting us from disease. Understanding how the skin can function in these many ways starts with understanding
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Many may believe the skin is the most obsolete organ that humans have‚ but that is far from the truth. Scientists‚ just recently‚ have come to the conclusion that human skin is equipped with the strongest‚ most convoluted defense system that the body can produce. To the naked eye‚ the surface of the skin may seem like a calm‚ untouched wasteland scattered with grass-like follicles‚ but‚ magnified‚ it is a battle zone of the body’s defenses fending off unwanted‚ invading bacteria (Metaphor). With
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What is skin grafting? Who can it help? How does it work? Be specific Describe both limitations and advancements Skin grafting is necessary when a patient is severely burned‚ which is considered to be a third degree burn. In a third degree burn the epidermis‚ dermis‚ and hypodermis are all affected from this this burn. Third degree burns are the most severe type of bun there is because the affect the epidermis‚ dermis‚ and the subcutaneous layer. After this type of burn the skin may appear charred
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transplants‚ but skin grafting is just as common in the medical field. Skin grafting is the transplantation of skin to another part of the body. Skin harvesting and transplantation techniques began nearly 3000 years ago with the Hindu Tilemaker Caste‚ where they used skin grafting to rebuild noses that were cut off from judicial punishment (Grande & Mezebish‚ 2008). In the mid 1900s‚ rodents were used to study skin grafting techniques in the name of medicine (Abbas & Lichtman‚ 2009). Now-a-days‚ skin grafting
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