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    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Lymphoma cancer cell. Coloured scanning electron micrograph (SEM) of a lymphoma cell showing early apoptotic changes. A lymphoma is a cell of the immune system that has become cancerous. The cell becomes immortal and can grow indefinitely — Stock Photo
    Lymphoma cancer cell. Coloured scanning electron micrograph (SEM) of a lymphoma cell showing early apoptotic changes. A lymphoma is a cell of the immune system that has become cancerous. The cell becomes immortal and can grow indefinitely
    Coloured scanning electron micrograph of 293T cell in early stage of programmed apoptosis cell death. — Stock Photo
    Coloured scanning electron micrograph of 293T cell in early stage of programmed apoptosis cell death.
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cells, coloured scanning electron micrograph.
    Activated platelet from peripheral blood — Stock Photo
    Activated platelet from peripheral blood
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    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
    Mycobacterium chelonae bacteria — Stock Photo
    Mycobacterium chelonae bacteria
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Tooth with accumulation of bacterial plaque — Stock Photo
    Tooth with accumulation of bacterial plaque
    Coloured scanning electron micrograph (SEM) of a dental root canal file. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a dental root canal file.
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats — Stock Photo
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats
    Woman using digital tablet and credit card, cropped shot — Stock Photo
    Woman using digital tablet and credit card, cropped shot
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Woman in online shopping trailer behind laptop. — Stock Photo
    Woman in online shopping trailer behind laptop.
    Cropped shot of Man using laptop computer — Stock Photo
    Cropped shot of Man using laptop computer
    Coloured scanning electron micrograph (SEM) of Asbestos fiberschrysotile type. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Asbestos fiberschrysotile type.
    Portrait of young woman in sunglasses smoking electronic cigarette on beach in barcelona — Stock Photo
    Portrait of young woman in sunglasses smoking electronic cigarette on beach in barcelona
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Electron micrograph of dental plaque — Stock Photo
    Electron micrograph of dental plaque
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Giardia lamblia, a protozoan (cyst stage) found in water contaminated by animal faeces, coloured scanning electron micrograph (SEM). — Stock Photo
    Giardia lamblia, a protozoan (cyst stage) found in water contaminated by animal faeces, coloured scanning electron micrograph (SEM).
    Portrait of young woman in sunglasses smoking electronic cigarette on street in barcelona — Stock Photo
    Portrait of young woman in sunglasses smoking electronic cigarette on street in barcelona
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Dividing prostate gland cancer cells, colored scanning electron micrograph. — Stock Photo
    Dividing prostate gland cancer cells, colored scanning electron micrograph.
    Diverse businessman and businesswoman wearing using electronic devices in office. technology and team working in office workplace. — Stock Photo
    Diverse businessman and businesswoman wearing using electronic devices in office. technology and team working in office workplace.
    Wild mustard flower petal surface (Brassica kaber), coloured scanning electron micrograph (SEM). — Stock Photo
    Wild mustard flower petal surface (Brassica kaber), coloured scanning electron micrograph (SEM).
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis — Stock Photo
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Smiling woman using digital tablet in bed — Stock Photo
    Smiling woman using digital tablet in bed
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Portrait smiling senior woman using digital tablet — Stock Photo
    Portrait smiling senior woman using digital tablet
    Ten year-old bi-racial girl looking at ipad at table — Stock Photo
    Ten year-old bi-racial girl looking at ipad at table
    Recovery room in a modern hospital, post-operative recovery, patient bays with curtains — Stock Photo
    Recovery room in a modern hospital, post-operative recovery, patient bays with curtains
    Dividing prostate gland cancer cells, colored scanning electron micrograph. — Stock Photo
    Dividing prostate gland cancer cells, colored scanning electron micrograph.
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Geranium pollen grain — Stock Photo
    Geranium pollen grain
    Father and daughters using electronic devices in living room at home — Stock Photo
    Father and daughters using electronic devices in living room at home
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph. — Stock Photo
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph.
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Female mechanic using electronic diagnostic device in garage — Stock Photo
    Female mechanic using electronic diagnostic device in garage
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Children and mother using electronic gadgets at house — Stock Photo
    Children and mother using electronic gadgets at house
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Young adult asian man using digital tablet at home — Stock Photo
    Young adult asian man using digital tablet at home
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections — Stock Photo
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections
    Colored scanning electron micrograph of scales from silverfish insect living fossil. — Stock Photo
    Colored scanning electron micrograph of scales from silverfish insect living fossil.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Senior man with calculator looking at investment chart on laptop — Stock Photo
    Senior man with calculator looking at investment chart on laptop
    Blade of grass with a serrated edge — Stock Photo
    Blade of grass with a serrated edge