Polyneuritis | pathology | Britannica (original) (raw)

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• development of vitamins
  • 
    In vitamin: Discovery and original designation
    …scientist, Casimir Funk, demonstrated that polyneuritis produced in pigeons fed on polished rice could be cured by supplementing the birds’ diet with a concentrate made from rice bran, a component of the outer husk that was removed from rice during polishing. Funk proposed that the polyneuritis arose because of a…
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• effect on pregnancy
  • 
    In pregnancy: Nervous system disorders
    Polyneuritis, a disorder of the nerves usually resulting from vitamin B deficiency, may complicate pregnancy; this is particularly likely if the patient has suffered from severe and prolonged vomiting. Polyneuritis does not affect the gestation.
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• work of Eijkman
  • 
    In Christiaan Eijkman
    In 1890 polyneuritis broke out among his laboratory chickens. Noticing this disease’s striking resemblance to the polyneuritis occurring in beriberi, he was eventually (1897) able to show that the condition was caused by feeding the fowl a diet of polished, rather than unpolished, rice.
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cause of

• neuritis
  • In neuritis
    …affected, it is known as polyneuritis. The symptoms of neuritis are usually confined to a specific portion of the body served by the inflamed nerve or nerves.
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• paralysis
  • In paralysis: Paralysis from muscle tissue damage
    …most common are poliomyelitis and polyneuritis, the former affecting the cell bodies or the bulbar and spinal motor neurons and the latter affecting their peripheral processes. Bell palsy is a peripheral neuritis of unknown cause affecting the facial nerve and resulting in paralysis of all the muscles of one side…
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