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Warts: Skins
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Warts... called verrucae, are small benign growths usually caused by a viral infection of the skin or mucous membrane. The virus infects the surface layer of skin. The viruses that cause warts are members of the human papilloma virus (HPV) family, of which there are many different strains. Warts are not cancerous but some strains of HPV, usually not associated with warts, have been linked with cancer formation. Warts are contagious from person to person and from one area of the body to another on the same person.
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Warts are non-cancerous skin growths caused by a viral infection in the top layer of the skin or mucous membranes. Viruses that cause warts belong to a "family" called human papillomavirus (HPV). There are over 100 different types of HPV. The appearance of a wart depends on where it is growing. Warts are usually skin colored and feel rough to the touch, but can be dark, flat or smooth.
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Warts on hands are uncomfortable and embarrassing to have, but are not cancerous. They can be very itchy, and can bleed if irritated. If irritated the skin around them can become very painful.
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Warts develop when a virus particle infects traumatized skin. The virus that causes warts to form belongs to a family of viruses called human papilloma virus or HPV. Certain professions, e.g. meat handlers are more prone to develop warts because of their exposure to infected meat. Viruses can ... be passed on from person to person. After initial contact with the virus, it can take several months for a wart lesion to appear.
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Warts are caused by an infectious virus. The little virus gets into the skin through a cut so small you do not know it is there. The virus particle gets into the deepest layer of the dermis and takes up residence in the local cells. It works like all virus particles by getting into the cell and tricking the cell into manufacturing hundreds or thousands of additional virus particles. The cell ruptures spewing the virus particles into the neighboring cells. These cells pick up the wart and repeat the cycle.
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Warts are passed from person to person, directly and indirectly. Some people are continually susceptible to warts, while others are more resistant to HPV and seldom get them. The virus takes hold more readily when the skin has been damaged in some way, which may explain why children who bite their nails tend to have warts located on their fingers. People who take a medication to suppress their immune system or are on long-term steroid use are ... prone to a wart virus infection. The same is true for patients with AIDS.
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