London, United Kingdom
Green Alga, Light Micrograph
Photograph - Photograph
Green alga. Differential interference contrast micrograph of the desmid green alga Xanthidium armatum. Desmids are a common group of freshwater single-celled algae that have intricate cell walls. Xanthidiums are placoderm desmids, which have the cell wall divided into two symmetrical halves, joined by a thin central region called the isthmus. Xanthidiums are highly adapted to nutrient poor, acidic water. Magnification x225 when printed at 10 centimetres wide.
May 3rd, 2013
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