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Organic compound, a monosaccharide, chemical formula CHO. It is usually found in nature combined with other sugars, for example, in lactose, in polysaccharides, and in glycolipids, carbohydrate-containing lipids that occur in the brain and other nervous tissues of most animals. It has uses in organic synthesis and in medicine.
This entry comes from Encyclopædia Britannica Concise. For the full entry on galactose, visit Britannica.com.