Diatoms of North AmericaDiatoms of North America

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.

Transapical axis

The transapical axis is the short axis of the valve face of a pennate diatom, passing across the middle of the face, perpendicular to the apical axis.

Alternative Terms

transverse axis

An equivalent term.

Citations

Transapical Axis
Image Credit: Marina Potapova
In this species of Navicula, the line describes the transapical axis. Navicula is symmetric to the transapical axis.
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