Myelin

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    Peripheral Nervous System

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    two parts, the brain, and the spinal cord. The peripheral nervous system is made up of two parts as well, the somatic nervous system and the autonomic nervous system. 2. What are Neurons? Describe the key parts of Neurons, including: Dendrites, Myelin, Axons, and Synapse. To keep it simple, a neuron is a nerve cell. Most neurons are very similar to a typical cell, but have a few structures that set it apart. The main part of the cell is known as the soma, or cell body. In the soma is the…

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    (Pastorino and Doyle-Portillio, 2015). The axon carries the neural impulse away from the cell body. Several structures to note that are present on the axon include the myelin sheath and the nodes of Ranvier. The myelin sheath helps with the insulation of the neural impulse and the nodes of Ranvier are the spaces that are uncovered by the myelin sheath. Once the neural impulse reaches the end of the axon, the neural impulse is now at the terminal button, also known as the axon bulb. The axon bulb…

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    Brain Awareness Activity

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    brain awareness activities for the library, we have six activities prepared for the event. For my activity, it is building a cell neuron out of candy. During the activity, I will teach the kids the basic parts of a neuron such as, dendrite, cell body, myelin, axon and axon terminal, and their functions. While the kids are building each part of the neuron, I will explain what part their building and explain what its function is. The kids will also have a handout to look at while building their…

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    half of brain volume is called white matter. White matter is comprised of axons, which create a network of fibers that interconnect neurons and creates a communications network between brain regions. White matter gets its name from the white, fatty myelin sheath that surrounds the axons and speeds the flow of electrical signals between neurons and brain regions.…

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    Chronic diseases can be quite debilitating. A chronic disease is a disease that is long-lasting and can be treated but not cured (Chronic Disease, n.d.). This means that, although the symptoms of the disease may be managed, it will never go away completely. Multiple sclerosis is one of these treatable but incurable diseases. Even with treatment, a person diagnosed with multiple sclerosis will always experience some degree of disability. What is multiple sclerosis? How does it present itself? How…

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    Multiple Sclerosis Essay

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    Multiple Sclerosis is an immune-mediated disease. This immune mediated process is directed towards the central nervous system. Through this process it causes the immune system to surround and attack the myelin around the nerve fibers in the body of the victim. Once this myelin has been stripped from the nerve endings, it is very hard for it to regenerate or repair itself. These attacks against the body interrupts and distorts nerve impulses traveling to the brain. MS is a common name for…

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    Central Nervous System

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    What is the central nervous system? It’s a system which consists of the nerves in the brain and spinal cord. It gathers information about and reacts to internal and external stimulus. Don’t Shoot the Messenger Much of the CNS is made up of neurons. Each neuron has a cell body, which includes a soma with a nucleus, a nucleolus, a cytoplasm called the perikaryon, and wide branching extensions called dendrites. Dendrites are like antennae which receive signals from other neurons or body cells.…

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    Multiple Sclerosis is a lifelong disease , more common in the young adult region. Multiple sclerosis is a disease of unknown cause that affects the nervous system . It can affect your vision , strength , coordination , speech , bladder control , sensation , or other faculties concerned with the eyes , brain , or spinal cord . Both men and women are affected in these cases one gender is not only attacked . The severity of problems that occur…

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    Multiple Sclerosis Causes

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    down the onset of the disease. There are four factors that are believed to cause the onset of Multiple Sclerosis. The first factor is that the immune system malfunctions and starts to attack the central nervous system. This results in damage to the myelin sheath and the axon (Goldenberg, 2012). The second factor is genetics. Scientist suggest there may be genes that play a role in multiple sclerosis, and that a child has a 2-5% chance of having MS if one of their parents have it. The third…

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    MS Case Studies

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    MS occurs when the immune system attacks the myelin sheath that cover and protect the nerve fibers. When myelin is damaged the information, or the nerve impulses, from the sensory nerves can no longer reach CNS , which consequently lead to wrong responses in the body. Because MS is unpredictable disease, the progression of MS differ from one patient to another. Therefore, doctors have to follow the patient’s case carefully to recognize whether the Disease progresses to later stages or not. The…

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