will explore the causes of disease in humans‚ in terms of pathogen infection‚ viruses‚ lifestyle factors and genetics. Infectious diseases are caused by pathogens; any organism that causes disease. Pathogenic microorganisms include bacteria‚ fungi and viruses. Pathogens cause disease by producing toxins and damaging cells. An example of a disease causing pathogen is the cholera bacteria‚ Vibrio Cholerae. Cholera is a bacterial infection caused by drinking contaminated water or eating good that has been
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layer on the sketch and describe the observed structures and cells. QuestiOns A. What is keratin? A specialized protein that provides the protective barrier the skin needs. B. Why is the skin keratinized? The keratinized skin protects the body from 70% of all infectious bacteria and viruses it touches. Exercise 2: The Microscopic Structure of Mucous Membranes ObservatiOns Draw
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It was hot and painful‚ and it prevented me from being able to complete lacrosse practice. I returned home that evening in pain‚ only to discover I had an enormous‚ quarter size pimple under my arm. It was red‚ had raised from my skin and looked like it was forming ahead. I had no doubt to expect it to be anything other than a pimple or maybe even an ingrown hair (Management of pain). I proceeded to extract the head‚ which acted as a plug‚ as it exploded a green-yellow pus all over
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domestic animals‚ and the disease is a major cause of economic loss in the meat and dairy industry. Humans acquire the infection by contact with the urine of infected animals‚ but human-to-human transmission is extremely rare 1. Mucous membranes and broken skin are most likely the sites of entry for this bacterium‚ but they are also believed to enter the host through sodden and waterlogged skin‚ through the lungs (after inhalation of aerosolized body fluid)‚ or through the placenta during pregnancy. “Virulent
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Medical News‚ (December 3‚ 2013)‚ Herpes was discovered in Ancient Greece by Hippocrates‚ who documented the symptoms. Herpes is a viral infection known for thousands of years. There are two types of Herpes viruses: Herpes Simplex 1 (HSV 1) and Herpes Simplex 2 (HSV 2). Throughout the world HSV 1 and HSV 2 are common and usually involve infections of the skin and or mucus affecting the face and mouth genitalia and other body parts. HSV 1 is oral herpes‚ and HSV 2 is genital herpes. Life Science
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throughout the body but they are found in high density in the thick skin like the palms of hands and soles of feet. Apocrine sweat glands are present in the nipples‚ groin‚ and axillary region and they become active once a person reaches puberty. Apocrine glands are associated with hair follicles and present in thin skin. Holocrine glands release sebum‚ an oily substance‚ on to the hair follicle which reduces drying of the skin. These glands are
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The Integumentary System The Integumentary System‚ consisting of the skin‚ hair and nails‚ act as a barrier to protect the body from the outside world. It also has several other functions in the body. The word INTEGUMENT comes from a Latin word that means to cover. The most important function of the integumentary system is protection. This system 1) serves as a barrier against infection and injury‚ 2) helps to regulate and maintain body temperature‚ 3) removes waste products from the body
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mouth‚ or cream for use on the skin. Triamcinolone acetonide paste is used for mouth sores after meals two or three times daily‚ and at bedtime‚ while Triamcinolone acetonide cream is primarily used on the skin‚ applied two to four times a day. What’s Triamcinolone Acetonide Cream Used For? Triamcinolone acetonide cream reduces the actions of chemicals in the body that cause redness‚ itching‚ dryness‚ scaling‚ crusting‚
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2). Health risks from artificial turf appear in several different forms. Growing on synthetic turf‚ fungus and bacteria pose a health concern because of infection (Durcholz 1). The fungus and bacteria seep into cuts and cause infection. Skin damage may occur more often in athletes playing on artificial turf compared to natural turf. Infections such as Methicillin-resistant
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Tuberculosis‚ is a chronic or acute contagious disease caused by a bacterial infection. TB is the leading cause of death from a single infectious disease‚ accounting for over a quarter of avoidable deaths among adults. It can affect several organs of the human body‚ including the brain‚ the kidneys and the bones‚ but it predominately manifests itself in the lungs where it is called "Pulmonary Tuberculosis". According to the WHO‚ TB infection is currently spreading at the rate of one person per second. It kills
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