Stria Collection

Diatom cell wall, SEM
Diatom cell wall. Coloured scanning electron micrograph (SEM) of the pattern of small holes, called striae, in the cell wall of a diatom alga. This is a Coscinodiscus sp. diatom

Diatom, light micrograph C014 / 4673
Diatom. Differential interference contrast micrograph of a Gyrosigma sp. diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Tabellaria diatoms, SEM C016 / 9599
Tabellaria diatoms. Coloured scanning electron micrograph (SEM) of a Tabellaria sp. diatom colony. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Fossil diatom, light micrograph C016 / 8603
Fossil diatom. Darkfield illuminated light micrograph of a fossilised diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Tabellaria diatoms, SEM C016 / 9600
Tabellaria diatoms. Coloured scanning electron micrograph (SEM) of a Tabellaria sp. diatom colony. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Tabellaria diatoms, SEM C016 / 9601
Tabellaria diatoms. Coloured scanning electron micrograph (SEM) of a Tabellaria sp. diatom colony. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatoms, light micrograph C014 / 4675
Diatoms. Differential interference contrast micrograph of a group of Meridion circulare diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatom, light micrograph C014 / 4677
Diatom. Differential interference contrast micrograph of a Campylodiscus sp. diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatoms, light micrograph C014 / 4671
Diatoms. Differential interference contrast micrograph of a group of Achnantes longipes diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatom, light micrograph C014 / 4669
Diatom. Differential interference contrast micrograph of an Achnantes longipes diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatoms, light micrograph C014 / 4668
Diatoms. Differential interference contrast micrograph of a group of Achnantes longipes diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatoms, light micrograph C014 / 4674
Diatoms. Differential interference contrast micrograph of a group of Achnantes longipes diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatom, light micrograph C016 / 8606
Diatom. Phase-contrast light micrograph of a diatom from the Mediterranean. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatoms, light micrograph C016 / 8605
Diatoms, Shearing contrast light micrograph. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatoms, light micrograph C016 / 8598
Diatoms. Interphase contrast light micrograph of a selection of differently shaped diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatoms, light micrograph C016 / 8602
Diatoms. Phase-contrast light micrograph of diatoms from the Mediterranean. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatoms, light micrograph C016 / 8600
Diatoms. Differential interference contrast (DIC) light micrograph of diatoms from the Mediterranean. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Fossil diatom, light micrograph C016 / 8586
Fossil diatom. Interphase contrast light micrograph of a fossilised diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatoms, light micrograph C016 / 8585
Diatoms. Interphase contrast light micrograph of two differently shaped diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Fossil diatom, light micrograph C016 / 8583
Fossil diatom. Interphase contrast light micrograph of a fossilised diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Diatoms, light micrograph. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species. They form an important part of the plankton at the base of the marine

Melosira sp diatoms, light micrograph
Diatoms. Light micrograph of Melosira monoliformis freshwater diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Pleurosigma sp diatoms, light micrograph
Diatoms. Differential interference contrast micrograph of Pleurosigma angulatum marine diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Fossil diatoms, light micrograph. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Pleurosigma sp diatom, light micrograph
Diatom. Light micrograph of Pleurosigma angulatum marine diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Striated erratic, with a penknife (blue) provided for scale. An erratic is a boulder which has been transported from its point of origin by the moving ice of a glacier

Glacial striae on fractured marble. Glacial striae (the vertical scratch marks) are marks made on rocks by other rocks due to the weight of ice as a glacier passes overhead

Glacial striae. Polished rock showing glacial striae (faint vertical scratch marks). Glacial striae are marks made on rocks by other rocks due to the weight of ice as a glacier passes overhead

Marine diatom alga, SEM
Diatom alga. Coloured scanning electron micrograph (SEM) of part of a marine diatom alga. Diatoms form a large part of the marine phytoplankton

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Stria: The Intricate Beauty of Diatom Cell Walls Revealed Diatoms, microscopic algae with intricate cell walls made of silica, are a fascinating subject for scientific exploration. With the help of scanning electron microscopy (SEM) and light micrographs, we can delve into the mesmerizing world of diatoms and appreciate their stunning beauty. In SEM image C014 / 4673, we observe Tabellaria diatoms showcasing their delicate structures. These organisms possess unique patterns on their cell walls known as striae or striations. These fine lines run parallel to each other and create mesmerizing arrangements that resemble works of art. Moving on to SEM image C016 / 9599, we encounter another group of Tabellaria diatoms displaying their intricate striae under high magnification. The level of detail captured by this technique allows us to marvel at the precision and symmetry present in these tiny organisms. Exploring further through time, fossilized diatoms come into view in light micrograph C016 / 8603. Preserved over millions of years, these ancient specimens provide valuable insights into Earth's history while showcasing the evolution and diversity within the diatom family. Returning to living counterparts in SEM images C016 / 9600 and C016 / 9601, we witness Tabellaria diatoms once again revealing their enchanting striae patterns. Each individual showcases its own unique arrangement, highlighting nature's ability to produce endless variations even at such small scales. The journey continues with a series of captivating light micrographs (C014/4675-4668), where various species demonstrate their distinct striae designs. From simple yet elegant lines to more complex formations resembling lacework or honeycombs – each one is an exquisite testament to nature's creativity. Studying these remarkable images not only provides aesthetic pleasure but also contributes significantly to scientific research.