pyranose /pyr·a·nose/ (pir´ah-nōs) any sugar containing the five-carbon pyran ring structure; it is a cyclic form that ketoses and aldoses may take in solution.
py·ra·nose (p  r -n s , -nz)n. 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. |
pyranose
a six-membered ring structure formed by the reaction of the carbonyl group and a hydroxy group of a sugar to form a hemiacetal.
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