An aldopentose; d-l. is epimeric with both d-arabinose and d-xylose; l-l. is epimeric with d-ribose.
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lyx·ose 'lik-.sōs, -.sōz n a crystalline aldose sugar C5H10O5 that is the epimer of xylose
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lyx·ose (likґsōs) an aldopentose isomeric with ribose at carbons 2 and 3.Medical dictionary. 2011.