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manganese poisoning

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manganese (Mn) [mang´gah-nēs]
a chemical element, atomic number 25, atomic weight 54.938. (See Appendix 6.) Its salts occur in the body tissue in very small amounts and serve as activators of liver arginase and other enzymes.
manganese poisoning a condition usually caused by inhalation of manganese dust; symptoms of chronic exposure include mental disorders accompanying a syndrome resembling Parkinson's disease, and inflammation throughout the respiratory system.

manganese poisoning
Acute or chronic intoxication due to manganese excess Etiology Industrial exposure to manganese-laden fumes and dusts in mining, steel foundries, welding, battery manufacture Clinical Acute–pneumonitis; chronic–psychotic or schizophrenia-like episodes, parkinsonism, movement disorders Management O2 administration, supportive. See Manganese.


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Their findings, published in Nature Genetics, a publication of the Nature Publishing Group, suggest that humans with mutations in the genes encoding these proteins may be particularly vulnerable to manganese poisoning.
Manganese poisoning causes hallucinations, nerve damage, lung embolism and bronchitis.
For example, in 1937 [the insurance company] Metlife put out a safety pamphlet concerning the dangers of welding, and the primary danger [listed] was manganese poisoning from welding fumes.
 
 
 
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