Ventral

On an apically asymmetric valve, ventral refers to the side of the valve face that is less wide and less convex . Example genera include Cymbella and Encyonema. In Latin, ventral refers to the belly.

Citations

Barber, H.G. and Haworth, E.Y. (1981) Guide to the Morphology of the Diatom Frustule Freshwater Biological Association, 112 pp.

Ventral Copy — The arrow points out the ventral margin of *Encyonema temperei*, which is expanded and gibbous.

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