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galactosemia

[guh-lak-tuh-see-mee-uh] /gəˌlæk təˈsi mi ə/
noun, Pathology
1.
an inherited disorder characterized by the inability to metabolize galactose and requiring a galactose-free diet to avoid consequent mental retardation and eye, spleen, and liver abnormalities.
Origin
1930-1935
1930-35; galactose + -emia
Related forms
galactosemic, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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galactosemic in Medicine

galactosemia ga·lac·to·se·mia (gə-lāk'tə-sē'mē-ə)
n.
An inherited metabolic disorder characterized by the deficiency of an enzyme necessary for galactose metabolism and chracterized by elevated levels of galactose in the blood and, if untreated, mental retardation and eye and liver abnormalities.


ga·lac'to·se'mic adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for galactosemic

galactosemia

a hereditary defect in the metabolism of the sugar galactose, which is a constituent of lactose, the main carbohydrate of milk. Infants with this condition appear normal at birth, but, after a few days of milk feeding, they begin to vomit, become lethargic, fail to gain weight, and show an enlargement of the liver. Untreated infants who survive are usually malnourished and stunted in growth; cataracts in the eyes and mental retardation may also occur. When their urine is tested for sugars, galactose invariably is present. In all affected infants, the symptoms of galactosemia regress after milk and milk products are eliminated from their diet.

Learn more about galactosemia with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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