Wheel-shaped diatom,Arachnoidiscus
Numéro d’image : 11526609
| Light micrograph of the wheel-shaped diatom Arachnoidiscus ehrenbergi. The diatoms are a distinctive group of single-celled algae containing about 10,000 species. They form an important part of the plankton at the base of the marine & freshwater food chains. The characteristic feature of diatoms is their intricately patterned,glass-like cell wall,or frustule. The frustule consists of 2 halves which fit together like the lid & bottom of a box. The frustule is often decorated with rows of tiny holes,known as striae,which are arranged radially (in centric diatoms) or on the 2 sides of a central axis (in pennate diatoms) | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Burbidge, John |
| Taille de l’image : | 3714 px × 3710 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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