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If a person has Duchenne and Muscular Dystrophy how are the neurons affected?
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What is Amyotrophic lateral schlerosis?
It is an immune disorder that causes the death of neurons which leads to progressive loss of muscular control
What is the Function of upper motor neurons?
Upper motor neurons primarily convey information from your motor cortex to brainstem nuclei (corticobulbar tract) or anterior horn cells in the spinal cord (corticospinal tract). Other tracts exist but are minor or redundant. Upper motor neurons decussate.
How does the CNS know weather a stimulus is strong or weak?
Nerves do not fire at varying intensities; for example, neurons won't fire at a stronger intensity if you're hit with a baseball in comparison to a marble. The difference between the two stimuli is the number of firing neurons. After being hit with a baseball, the affected neurons will fire more frequently than if hit with a marble.
What are neurons that carry information between sensory neurons and motor neurons?
Interneurons or association neurons.
Sensory neurons are also known as?
Afferent Neurons
What is the difference between spinal muscle atrophy and muscular dystrophy?
Multiple sclerosis means "many scars" on the myelin sheath of the central nervous system, and muscular dystrophy refers to muscle weakness and atrophy. Multiple sclerosis affects nerve while muscular dystrophy affects muscle. Some of the symptoms are similar, such as extreme fatigue and difficulty with movement, but MS is an autoimmune disorder that can flare and affect a different area of the CNS each time while MD is a genetic disorder that is progressive and often follows a specific pattern (areas) of muscle wasting. With MS, disability occurs when the flares are more constant and cause permanent nerve damage to an area of the body, sometimes resulting in being blind, incontinent, wheelchair bound, or even bed ridden. With muscular dystrophy, the disability comes from the lack of stamina due to muscles wasting. Having less and less healthy muscle fibers makes the person exhausted doing simple tasks and eventually can lead to inability to lift, carry, walk, or stand. Falls can happen with both disorders, as healthy nerve and muscle are needed to balance one's body. Falling can result in a secondary disability and recovery is slow and incomplete sometimes. Both of these diseases and their sufferers need our support.
Are neurons and neuroglia found in connective tissue?
No, there are four types of tissue; muscular, epithelial, connective and nervous tissue. Neurons are categorised in the nervous tissue.
What neurons are affected in primary lateral sclerosis?
PLS affects a part of the neuron called the cell body (or soma). Specifically, it is the cell bodies of upper motor neurons that are affected.
What kind of cells are responsible for movement in animals?
Striped muscular cells with sacromeres and motor neurons.
What is Amyotrophic lateral schlerosis?
It is an immune disorder that causes the death of neurons which leads to progressive loss of muscular control
What is the medical term meaning hardening and degeneration of the myelin sheath?
Muscular sclerosis is hardening and degeneration of the myelin sheath. Muscular sclerosis Multiple sclerosis is a disorder marked by destruction of the myelin sheath on neurons in the CNS and replacement with hard scar tissue.
How does meningitis affect cerebral spinal fluid flow?
damaging or killing neurons and neuroglia in the affected areas
Who discovered spinal muscular atrophy?
Charles Norris discovered spinal muscular atrophy in 1958. While he was experimenting with lettuce, he noticed than SMN neurons flowing through the vegetable caused loss of motor function, which left the lettuce deformed.
What is the Function of upper motor neurons?
Upper motor neurons primarily convey information from your motor cortex to brainstem nuclei (corticobulbar tract) or anterior horn cells in the spinal cord (corticospinal tract). Other tracts exist but are minor or redundant. Upper motor neurons decussate.
What structure is attacked with certain neurological diseases such as multiple sclerosis?
In the case of multiple sclerosis: Myelinated neurons (the central nervous system). The myelin sheaths are attacked, which negatively impacts signal transmission speed and efficiency of affected neurons.
What is SMA syndrome?
SMA = Spinal muscular atrophy. There are different types of SMA, all I believe are genetic and are autosomal recessive. They cause weakness and paralysis in the lower motor neurons.
What types of cells does the HIV virus primarily attack in humans?
the CD4(T-cell)lymphocytes is affected by HIV and aids
