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Melosiraceae

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Image of Melosira varians
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Melosira varians; Melosiraceae; Melosirales; Melosira; Coscinodiscophycidae; Coscinodiscophyceae; Bacillariophyta (diatoms); Ochrophyta (Ochrophyte); Stramenopiles (heterokont); SAR (Stramenopiles, Alveolates, Rhizaria); Cellular (cellular organisms); Life (creatures); Eukaryota (eukaryotes)
Image of Melosiraceae
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Melosiraceae; Melosirales; Melosira; Coscinodiscophycidae; Coscinodiscophyceae; Bacillariophyta (diatoms); Ochrophyta (Ochrophyte); Stramenopiles (heterokont); SAR (Stramenopiles, Alveolates, Rhizaria); Cellular (cellular organisms); Life (creatures); Eukaryota (eukaryotes)
Image of Melosiraceae
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Melosiraceae; Melosirales; Melosira; Coscinodiscophycidae; Coscinodiscophyceae; Bacillariophyta (diatoms); Ochrophyta (Ochrophyte); Stramenopiles (heterokont); SAR (Stramenopiles, Alveolates, Rhizaria); Cellular (cellular organisms); Life (creatures); Eukaryota (eukaryotes)
Image of Melosiraceae
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Melosiraceae; Melosirales; Melosira; Coscinodiscophycidae; Coscinodiscophyceae; Bacillariophyta (diatoms); Ochrophyta (Ochrophyte); Stramenopiles (heterokont); SAR (Stramenopiles, Alveolates, Rhizaria); Cellular (cellular organisms); Life (creatures); Eukaryota (eukaryotes)
Image of Melosira nummuloides
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Melosira nummuloides; Melosiraceae; Melosirales; Melosira; Coscinodiscophycidae; Coscinodiscophyceae; Bacillariophyta (diatoms); Ochrophyta (Ochrophyte); Stramenopiles (heterokont); SAR (Stramenopiles, Alveolates, Rhizaria); Cellular (cellular organisms); Life (creatures); Eukaryota (eukaryotes)
Image of Melosira nummuloides
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Melosira nummuloides; Melosiraceae; Melosirales; Melosira; Coscinodiscophycidae; Coscinodiscophyceae; Bacillariophyta (diatoms); Ochrophyta (Ochrophyte); Stramenopiles (heterokont); SAR (Stramenopiles, Alveolates, Rhizaria); Cellular (cellular organisms); Life (creatures); Eukaryota (eukaryotes)
  • Image of Melosira varians
    frustule
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  • Image of Melosiraceae
    centric filament
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    Melosira (mell-o-sigh-ra) is a centric diatom. The cells are like old-style hat boxes, or old-style pill boxes, or like petri-dishes. In Melosira, many cells are joined end to end to create a filament. The less substantial rings on the lower image are where the two halves of the frustule are joined together by the girdle bands, the more visible connections are where two cells are joined together. Each cell has a radial symmetry. As with other diatoms, plastids have chlorophylls a and c and so have a yellow brown colour. The lower picture reveals the individual disc-shaped plastids. Phase contrast.
  • Image of Melosiraceae
    filament
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    Melosira (mell-o-sire-a) is a centric diatom. The cells are like old-style hat boxes, or old-style pill boxes, or like petri-dishes. In Melosira, many cells are joined end to end to create a filament. The less substantial rings on the lower image are where the two halves of the frustule are joined together by the girdle bands, the more visible connections are where two cells are joined together. Each cell has a radial symmetry. As with other diatoms, plastids have chlorophylls a and c and so have a yellow brown colour. Differential interference contrast.
  • Image of Melosiraceae
    valve view
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    The surface of the siliceous valve of a Melosira cell. Phase contrast microscopy.
  • Image of Melosira nummuloides
    Melosira (mellow-sire-a) nummuloides, filament forming centric diatom, with multiple small plastids within the cell. Dark ground illumination. Leptosiropsis (leapt-owe-sire-op-sis) torulosa, green alga with organic wall that is produced in layers. Phase contrast microscopy. data on this strain.
  • Image of Melosira nummuloides
    detail
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    Melosira (mellow-sire-a) nummuloides, filament forming centric diatom, with multiple small plastids within the cell clearly shown in this micrograph. Differential interference microscopy. data on this strain.
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