Glossary
Like the rest of this website, the glossary is a work in progress. If we’ve missed a term, please contact us to let us know the term and references.
Abvalvar
Abvalvar refers to the part of a diatom that is away from or farther from the valve face. In Latin, the prefix ab- means away. For example, the abvalvar edge of a girdle band overlaps the edge of the adjacent girdle band.
See also advalvar.