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    Heart strings strings — Stock Photo
    Heart strings strings
    Heart strings strings — Stock Photo
    Heart strings strings
    Colored scanning electron micrograph of scales from silverfish insect living fossil. — Stock Photo
    Colored scanning electron micrograph of scales from silverfish insect living fossil.
    Colored scanning electron micrograph of osteoblast osteocyte bone cell. — Stock Photo
    Colored scanning electron micrograph of osteoblast osteocyte bone cell.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    External mineralised structures of coccolithophores — Stock Photo
    External mineralised structures of coccolithophores
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells — Stock Photo
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells
    Pancreatic cancer cells — Stock Photo
    Pancreatic cancer cells
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood — Stock Photo
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Nanostructures formed on a titanium surface — Stock Photo
    Nanostructures formed on a titanium surface
    Lining of the small intestine — Stock Photo
    Lining of the small intestine
    Dog tapeworm head — Stock Photo
    Dog tapeworm head
    Copepod, coloured scanning electron micrograph (SEM). — Stock Photo
    Copepod, coloured scanning electron micrograph (SEM).
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Male sex cell — Stock Photo
    Male sex cell
    Asparagus beetle head — Stock Photo
    Asparagus beetle head
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Komodo dragon skin, coloured scanning electron micrograph (SEM). The Komodo dragon (Varanus komodoensis) has armoured scaly skin. It is the largest lizard in the world, reaching over three metres in length — Stock Photo
    Komodo dragon skin, coloured scanning electron micrograph (SEM). The Komodo dragon (Varanus komodoensis) has armoured scaly skin. It is the largest lizard in the world, reaching over three metres in length
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Cancellous Bone tissue — Stock Photo
    Cancellous Bone tissue
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower.
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Cardiac muscle from a healthy heart — Stock Photo
    Cardiac muscle from a healthy heart
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot — Stock Photo
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot
    Colored scanning electron micrograph image of tooth dentine, mineralised connective tissue found under tooth enamel. — Stock Photo
    Colored scanning electron micrograph image of tooth dentine, mineralised connective tissue found under tooth enamel.
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Dense connective tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Dense connective tissue, coloured scanning electron micrograph (SEM).
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli. — Stock Photo
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli.
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Red blood cells — Stock Photo
    Red blood cells
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple. — Stock Photo
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple.
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid — Stock Photo
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum — Stock Photo
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium — Stock Photo
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Primula pollen grain — Stock Photo
    Primula pollen grain