Source:http://linkedlifedata.com/resource/umls/id/C0003682
CSP: simple five carbon sugar widely distributed in plants in the form of complex polysaccharides, glycosides, and mucilages; also occurs in some bacteria.,NCI: A pentose which is an epimer at C-2 of ribose (in Fisher projection). A diastereomer at C-2 and C-3 of xylose (in Fisher projection).