London, United Kingdom
Diatom Alga, Sem
Photograph - Photograph
Diatom. Coloured scanning electron micrograph (SEM) of a Campylosira grevilsi diatom. This is a planktonic unicellular alga. It has a mineralised cell wall (frustule) divided into two halves. The frustule contains silica and provides protection and support. Magnification x18.5 at 6x7cm size.
May 7th, 2013
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