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STD's


            
             Most diseases of the reproductive tract are usually transmitted sexually, and.
             are therefore considered sexually transmitted diseases (STD). They are also.
             from time to time referred to as venereal diseases (VD), derived from the.
             word Venus, the Roman goddess of love. These diseases are commonly spread by.
             intimate sexual contact with an infected person but may spread by other.
             means.There are two reason why these microbes must be transmitted sexually:.
             [1] these microbes are obligate parasites and under normal circumstances will.
             not survive for any significant period of time outside the body(extremely.
             sensitive to drying). [2] These microbes cannot penetrate the skin(unless.
             through a break in the skin), they can however attach to, colonize and even.
             penetrate mucosal surfaces and therefore for most of them the genital tract.
             constitutes the usual route of entry. Other mucosal surfaces can also be.
             used as the portal of entry, ie. anal and oropharyngeal surfaces. These.
             diseases have become of wide concern throughout North America as well as the.
             rest of the world. However these diseases are easily cured (if treated early.
             enough) with the use of antibiotics and are just as easily prevented with the.
             use of condoms.
             A variety of pathogenic organisms can be sexually transmitted , six are.
             common among adults and even adolescence nowadays. Those being: the.
             spirochete of syphilis; the bacterial agents of gonorrhea, chancroid, and.
             granuloma inguinale; the chlamydial agents of nongonococcal urethritis and.
             lymphogranuloma venereum; and the viruses of herpes and HIV.
             Syphilis .
             The disease is seen most frequently in the 20 to 39-year old age group, which.
             is the most sexually active group. In adults the untreated syphilis progresses.
             through three stages extending for many years, with long intervening periods.
             of latency. During the primary stage of the disease, they multiply locally,.
             producing a superficial lesion called a chancre.


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