<plant biology> Hemicellulosic plant cell wall polysaccharide containing glucose and mannose linked by _(1-4) glycosidic bonds. May contain some side chains of galactose, in which case it may be termed galactoglucomannan. A major polysaccharide of gymnosperm wood (softwood).

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)