a pentose (C5H10O4) in which one of the hydroxyl groups of ribose has been replaced by a hydrogen. In deoxyribonucleic acids, the deoxyribose is D-2-deoxyribose, in which the hydroxyl at the 2 position of ribose is the one which is replaced by hydrogen.

A type of sugar that is one component of DNA (deoxyribonucleic acid).

A five-carbon sugar resembling ribose but lacking an oxygen atom.

a five-carbon sugar located in DNA that forms the backbone of DNA with phosphate groups.