Erikka Perkins ANT 801SS Kathy Clifton 2/16/2014 Skin Color The biggest physical difference in the human population is the color of skin‚ which vary a lot between individuals and in different places in the world. Appearance is dramatically different between individuals but skin color is an example of something exhibits continuous variation. Skin color cannot be defined by colors but by one extreme to another. Skin color is a known as a polygenic gene that is a consequence of the difference
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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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my brother injuries. Marilyn: What do you have in mind to ask me. Eva: What is the structure of skin cells Marilyn: Your skin is the largest known organ in your body. This substance is waterproof and flexible it has three layers to it. They all work together to keep all your organs and tissues inside your body it also keeps infection‚ viruses and bacteria out of your inside of your body. In your skin cells there are little thing to tell the cell what to do. There is a nucleus is the control center
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Anatomy & Physiology Assignment The skin structure and its functions: The skin has many different functions such as sensation‚ heat regulation‚ absorption‚ protection‚ excretion and secretion. Can be remembered by ‘shapes’. [pic] The sweat gland is a looped gland located in the dermis. The gland produces sweat to help regulate body temperature when the body temperature begins to rise. During this process it removes small amounts of waste products such as salt and urea (chemical compound
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multitude of skin lesions of the course of a lifetime. Some of the lesions are benign‚ easily visible‚ or just new benign growth. Therefore‚ most benign skin lesions are diagnosed on the appearance and history. However‚ if a lesion has exhibited unexpected changes in appearance‚ a biopsy or excision is indicated to confirm the diagnosis. Usually‚ benign lesions are symptomatic and can be managed with simple procedures‚ such as cryotherapy‚ electro-surgery‚ or excision. Some example of benign skin lesions
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Outline for Class Project Topic: The Skin: from growth to the healing process 1. Growth A. How the skin grows a. Layers of the skin 2. Types of skin diseases A. All different types of disesase that can be caught a. how they are caught and transmitted 3. Infections of the skin A. Types of infections a. How they can affect the body 4. How skin Heals A. What types of injuries cause the skin to go into healing mode. a. How long can a healing process take The Skin: From growth to the Healing Process
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see when you look at a person is their skin. It’s the largest organ of the body that’s made of epithelial tissue. It consists of two main layers‚ the epidermis and the dermis. As it’s the first thing in contact with the environment around us‚ it acts as a protective layer. Skin cancer is the rapid uncontrollable growth of abnormal skin cells that’s usually triggered by ultraviolet radiation. When skin cells with damaged DNA grow rapidly they form tumors. (Skin Cancer Foundation‚ n.d.)These tumors
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The bacteria can survive on skin are normally gram-positive because of their ability to survive in dry and humid conditions. The conditions on the skin are not suitable to all bacteria such as gram-negative bacteria and only those that can survive salty and dry conditions can survive. The skin has defense mechanism against pathogens such as its low moisture level‚ acidity‚ rigidity and defenses released by the skin. Certain areas of our body do contain gram-negative bacteria‚ staphylococcus aures
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There are many alternatives that exist to the use of live animals in research and most non-animal testing methods are more reliable and less expensive. Some of those alternatives are‚ “synthetic skin” called Corrositex‚ computer modeling‚ improved statistical design‚ and the Murine Local Lymph Node Assay (LLNA). “Another resource that exists to prove the viability and relevance of using non-animal testing methods is Fund for the Replacement of Animals in Medical Experiments (FRAME).” FRAME is located
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For alternate meanings see skin (disambiguation) Diagram of the layers of human skinIn zootomy and dermatology‚ skin is an organ of the integumentary system composed of a layer of tissues that protect underlying muscles and organs. As the interface with the surroundings‚ it plays the most important role in protecting against pathogens. Its other main functions are insulation and temperature regulation‚ sensation and vitamin D and B synthesis. Skin has pigmentation‚ provided by melanocytes
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