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.

Ultrastructure

Ultrastructure usually refers to morphological features of the frustule that are generally smaller than 1 µm and are only resolved at high magnification with a scanning electron microscope (SEM).

Alternative Terms

fine structure

Citations

Gvstaurosirella Pinnata
Image Credit: Eduardo Morales
An SEM image showing the ultrastructure of the frustule of Staurosirella pinnata in girdle view.
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