any monosaccharide having a pyran ring structure.
Origin of pyranose
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A cyclic form of a sugar in which an oxygen bridges two carbon atoms, thus forming a ring containing five carbon atoms and an oxygen atom.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.