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The exact causes of multiple sclerosis are currently unknown and even experts will not be able to tell someone precisely what multiple sclerosis, where it comes from and how it is caused. However, some theories for the possible causes have been made which relate to many factors. It is usually frightening for someone to have the disease but know that there is not a cure however; some of these causes include environmental causes as well as genetic. The theories which have made have been based on analysing multiple sclerosis however it cannot be certain because of the many variables.
The broad cause of multiple sclerosis is in relation with the myelin and axon of the nerves. First, inflammations occur in the brain as well as the spinal cord. Secondly, the inflammation in the two areas results in the myelin layer around the cells to weaken. Myelin assists the body in interpreting messages from the brain at a rapid pace and without it, simple actions of the body may become disabled. As the myelin layer disappears, the axon of the nerve is left vulnerable, thus the axon also becomes destroyed. Without the connection of the cell body to the nerve endings of a nerve, the central nervous system would not be able to communicate vital information from one area to another and ultimately would be affected. This is the reason for many disabled parts of the body and for delayed signals to travel throughout the body. This also causes 'neurological problems' within the body.
Even after the myelin in parts of the body has deteriorated, the nerves would still be impacted after re-myelination. As shown in the diagram above, the scarred myelin has been labelled and it illustrates the meaning that it would never heal to full perfection. After it heals, signals being transmitted through the nerve would always be slower.
Pictures Taken From:
Static.ddmcdn.com (n.d.) Untitled. [online] Available at: http://static.ddmcdn.com/gif/multiple-sclerosis-demyelinization.gif [Accessed:
25 Mar 2013].
The broad cause of multiple sclerosis is in relation with the myelin and axon of the nerves. First, inflammations occur in the brain as well as the spinal cord. Secondly, the inflammation in the two areas results in the myelin layer around the cells to weaken. Myelin assists the body in interpreting messages from the brain at a rapid pace and without it, simple actions of the body may become disabled. As the myelin layer disappears, the axon of the nerve is left vulnerable, thus the axon also becomes destroyed. Without the connection of the cell body to the nerve endings of a nerve, the central nervous system would not be able to communicate vital information from one area to another and ultimately would be affected. This is the reason for many disabled parts of the body and for delayed signals to travel throughout the body. This also causes 'neurological problems' within the body.
Even after the myelin in parts of the body has deteriorated, the nerves would still be impacted after re-myelination. As shown in the diagram above, the scarred myelin has been labelled and it illustrates the meaning that it would never heal to full perfection. After it heals, signals being transmitted through the nerve would always be slower.
Pictures Taken From:
Static.ddmcdn.com (n.d.) Untitled. [online] Available at: http://static.ddmcdn.com/gif/multiple-sclerosis-demyelinization.gif [Accessed:
25 Mar 2013].