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.

Dorsal

On an apically asymmetric valve, dorsal refers to the side of the valve face that is wider and more convex. Example genera include Cymbella and Encyonema. In Latin, dorsal refers to the back of the body.

See also ventral.

Citations

Encyonema Dorsal Margin
Image Credit: Sarah Spaulding
The arrow indicates the dorsal margin of Encyonema.
Reimeria Dorsal Stigma
Image Credit: Marina Potapova
The arrow indicates the dorsal stigma of Reimeria.
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