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367 results

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    Cat flea head — Stock Photo
    Cat flea head
    Quartz crystals structure — Stock Photo
    Quartz crystals structure
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Stick insect foot — Stock Photo
    Stick insect foot
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Red blood cells — Stock Photo
    Red blood cells
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Nanostructures formed on a tantalum surface — Stock Photo
    Nanostructures formed on a tantalum surface
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (yellow) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (yellow)
    Male sex cell — Stock Photo
    Male sex cell
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    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.
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth. — Stock Photo
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth.
    Male sex cell — Stock Photo
    Male sex cell
    Bird bone tissue — Stock Photo
    Bird bone tissue
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Colored scanning electron micrograph of anthrax gram-positive, rod-shaped bacteria known as Bacillus anthracis. — Stock Photo
    Colored scanning electron micrograph of anthrax gram-positive, rod-shaped bacteria known as Bacillus anthracis.
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample. — Stock Photo
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample.
    Osteoporotic bone abnormality — Stock Photo
    Osteoporotic bone abnormality
    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
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Flowering currant pollen grains — Stock Photo
    Flowering currant pollen grains
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    Female copepod with eggs — Stock Photo
    Female copepod with eggs
    Stick insect foot — Stock Photo
    Stick insect foot
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body — Stock Photo
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body
    Prostate cancer cell, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cell, coloured scanning electron micrograph.
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    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
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Fractured pancreas tissue — Stock Photo
    Fractured pancreas tissue
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Colored scanning electron micrograph of scales from silverfish insect living fossil. — Stock Photo
    Colored scanning electron micrograph of scales from silverfish insect living fossil.
    Red blood cells — Stock Photo
    Red blood cells
    Plaque-forming bacteria, colored scanning electron micrograph. — Stock Photo
    Plaque-forming bacteria, colored scanning electron micrograph.
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Microvilli of gallbladder surface — Stock Photo
    Microvilli of gallbladder surface
    Freeze-fractured lens of an eye — Stock Photo
    Freeze-fractured lens of an eye
    Cancellous Bone tissue — Stock Photo
    Cancellous Bone tissue
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Male sex cell — Stock Photo
    Male sex cell
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Fungal cells revealing sporangium with spores — Stock Photo
    Fungal cells revealing sporangium with spores
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats — Stock Photo
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth