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The critical nerves affected are the phrenic nerve (which drives the diaphragm to inflate the lungs) and those that drive the muscles needed for swallowing. By destroying these nerves, this form of polio affects breathing, making it difficult or impossible for the patient to breathe without the support of a ventilator. It can lead to paralysis ...
English: The poliovirus affects the motor neurons of the anterior horn cells, or the ventral (front) grey matter section in the spinal column, which control movement of the trunk and limb muscles including the intercostal muscles.
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Polio is an infection caused by a virus that mostly affects children under 5. Most people infected with polio don’t have any symptoms, but it can cause fever, headaches, vomiting and stiffness ...
If the nerves lost to denervation are part of neural communication to an organ system or for a specific tissue function, alterations to or compromise of physiological functioning can occur. [1] Denervation can result from an injury or be a symptom of a disorder like amyotrophic lateral sclerosis (ALS), [ 2 ] post-polio syndrome , [ 3 ] or ...
In extreme cases polio can cause paralysis, usually in the legs, although movement typically comes back within a few weeks or months. However, it can be life-threatening if it paralyses the ...
Poliovirus is, however, strictly a human pathogen, and does not naturally infect any other species (although chimpanzees and Old World monkeys can be experimentally infected). [40] The CD155 gene appears to have been subject to positive selection. [41] The protein has several domains of which domain D1 contains the polio virus binding site.
The virus infects the throat and intestines, and can cause flu-like symptoms. Paralysis from the polio virus is rare. This year, polio cases have been detected in New York state, London and Jerusalem.