Leprosy 2

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investigate the following:
1) Mycobacterium leprae as yet to be cultured in laboratory media? Why?
2) Why is leprosy so prevalent in some parts of the world (i.e. India) but not in others?
3) How does leprosy become so widespread in a population?
4) Despite the discovery of drug treatments, why are over million people still infected?
5) Is there a genetic predisposition to leprosy?
6) Are there non-human sources for the disease?
7) Is there a vaccination for leprosy?
These are just a few of the many issues currently under examination. Over the years, the use of modern molecular and immunological tools has become a valuable method in revealing what is known to date about the disease. However, until the epidemiology of the disease is completely understood, effective control and prevention of leprosy can be difficult.

Classification of Leprosy
Leprosy is classified according to symptoms and histopathology (abnormalities of tissue cells affected by the disease). Patients with ...

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and secondary sexual characteristics, severe nerve damage with complete loss of sensation in the areas around the lesions, destruction and absorption of bone occur at this point which results in the loss of extremities, as well as a flattening of the bridge of the nose which produces the "leonine faces" associated with the disease.
Mechanism of Infection
As mentioned previously, leprosy infects the skin, mucous membrane, and peripheral nerves. Perhaps the most severe consequence of the disease is the loss of neural control that patients often experience in the later stages of the disease. Because of the severity of this infection, only the mechanisms of neural infection will be ...

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