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432 results

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    Cat flea head — Stock Photo
    Cat flea head
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines — Stock Photo
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Scanning electron microscopy of DNA molecules and red and white blood cells. — Stock Photo
    Scanning electron microscopy of DNA molecules and red and white blood cells.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses