HE 204 May 1‚ 2013 Sun Exposure References -The Skin Cancer Foundation 149 Madison Avenue Suite 901 New York‚ New York 10016 (212) 725-5176 -World Health Organization Avenue Appia 20 1211 Geneva 27 Switzerland Telephone: + 41 22 791 21 11 Facsimile (fax): + 41 22 791 31 11 getinfo@psoriasis.org 800.723.9166 6600 SW 92nd Ave. Suite 300 Portland‚ OR 97223 Sun Exposure Every day‚ people everywhere live their lives coming into and out of contact with the sun. The sun
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types of skin cancers: Melanomas and non-melanomas. To understand both of these terms a little better you need to be aware that your skin is divided up into 3 layers: the epidermis‚ dermis‚ and subcutis. The top layer‚ the epidermis‚ is very thin and serves to protect the deeper layers of the skin. The epidermis is also composed of basal cells‚ which in turn divide to form squamous cells and melanocytes. Melanoma skin cancer develops from the melanocytes and non-melanomas skin cancer develops from
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cancer is categorized by skin cells and the skin layers. Melanoma is caused by a problem with melanocytes which are in charge of skin pigment. When the outer layer of skin is affected‚ it is called basal cell carcinoma. Squamous cell carcinoma is when the squamous cells that make up the surface of the skin are affected. When neuroendocrine cells which release hormones from the nervous system are affected‚ it is called neuroendocrine carcinoma (http://www.cancer.gov/cancertopics/types/skin). Skin cancer
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skin’s protective epidermis to the dermis‚ where blood vessels and nerves are found. Because of this‚ UVA rays may damage a person’s immune system‚ making it harder to fight off diseases and leading to illnesses like melanoma‚ the most serious (and deadly) type of skin cancer. Melanoma can kill. If
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Disturbances of Growth Congenital Anomalies Agnesia: complete absence of an organ. Aplasia: complete failure of development of an organ. It is represented by fibrous tissue. Hypoplasia: Failure of an organ to reach the full adult size. Atrophy Definition: decrease in size and weight of organ or tissue due to decrease in size and / or number of its cells. Atrophic cells are usually replaced by firbous tissue‚ less commonly by fatty tissue. Types of atrophy: Physiologic Atrophy: **Atrophy
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It’s the most serious form of skin cancer as it’s always malignant. It can start from an already existing mole on the skin or may not even have a color or be slightly red. Melanoma can occur anywhere on the body but for men it mainly occurs on their backs and for women on the backs of their legs. It can be cured surgically if it was found at an early stage. It usually occurs on people over 50 years
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Hewlett-Packard Company 2013 Biology Assessment task- 3 Infectious and Non Infectious disease By Carla Westwood Question One- Part A Malaria is a mosquito-borne disease that causes over 2.7 million deaths per year according to estimates by the World Health Organization. The history of malaria predates humanity‚ as this ancient disease evolved before humans did. Malaria‚ a widespread and potentially lethal infectious disease‚ has afflicted people for much of human history‚ and has affected settlement
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Integumentary System Laszlo Vass‚ Ed.D. Version 42-0280-00-01 Purpose: What is the purpose of this exercise? Are there any safety concerns associated with this exercise? If so‚ list what they are and what precautions should be taken. Exercise 1: Structures of the Skin Observations Before beginning‚ set up a data table similar to this Data Table 1. Fill in the names of the numbered
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Tissues to Tattoos Jessica Donaldson Rasmussen College Author Note This paper is being submitted on November 23‚ 2014‚ for Mandy Zastre’s G150/PHA1500 Structure and Function of the Human Body course. Tissues to Tattoos 1. Why do some areas of the body have simple squamous epithelium and other areas have stratified squamous epithelium? Stratified squamous epithelium is used in areas of the body that undergo more abrasion (Epithelial Cells) than then areas of the body that require just having
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provides a Sun Protection Factor (SPF) of about 2 to 4; far below the minimum recommended SPF of 15. According to the National Cancer Institute‚ women who use tanning beds more than once a month are 55 percent more likely to develop malignant melanoma‚ the most deadly form of skin cancer. Long-term exposure to either tanning beds or the sun’s rays increases the risk of skin cancer. Features When skin is exposed to ultraviolet radiation (UV)‚ cells known as melanocytes produce the brown pigment
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