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    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red).
    Coloured scanning electron micrograph (SEM) of Schizosaccharomyces pombe yeast. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Schizosaccharomyces pombe yeast.
    Coloured scanning electron micrograph (SEM) of Breakfast food (cereal) corn flake. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Breakfast food (cereal) corn flake.
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (green) — 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 (green)
    Young man looking at the camera with tablet in hands — Stock Photo
    Young man looking at the camera with tablet in hands
    Portrait of smiling teenage girls using digital tablet — Stock Photo
    Portrait of smiling teenage girls using digital tablet
    Woman smiling while using digital tablet at cafe table with coffee and sandwich. — Stock Photo
    Woman smiling while using digital tablet at cafe table with coffee and sandwich.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (pink) — 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 (pink)
    Dog hair, coloured scanning electron micrograph (SEM).In dogs several hairs emerge from a single follicle. — Stock Photo
    Dog hair, coloured scanning electron micrograph (SEM).In dogs several hairs emerge from a single follicle.
    Young barefoot pregnant woman standing on scales and looking down — Stock Photo
    Young barefoot pregnant woman standing on scales and looking down
    Pancreas tissue. Transmission electron micrograph (TEM) of part of the exocrine pancreas. Seen here are zymogen granules and cell nuclei. In the image the endoplasmic reticulum that fills the cytoplasm is clearly visible. — Stock Photo
    Pancreas tissue. Transmission electron micrograph (TEM) of part of the exocrine pancreas. Seen here are zymogen granules and cell nuclei. In the image the endoplasmic reticulum that fills the cytoplasm is clearly visible.
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Woman drinking orange juice and using digital tablet — Stock Photo
    Woman drinking orange juice and using digital tablet
    Woman laying in bed using digital tablet — Stock Photo
    Woman laying in bed using digital tablet
    Close-up of various electronic components in plastic boxes — Stock Photo
    Close-up of various electronic components in plastic boxes
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Scanning electron micrograph of bacteria cultured from sample of human faeces. — Stock Photo
    Scanning electron micrograph of bacteria cultured from sample of human faeces.
    Quartz crystals structure — Stock Photo
    Quartz crystals structure
    Osteoporotic bone abnormality — Stock Photo
    Osteoporotic bone abnormality
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Man using credit card and laptop computer shopping online at home — Stock Photo
    Man using credit card and laptop computer shopping online at home
    Bluebottle fly head — Stock Photo
    Bluebottle fly head
    Colored scanning electron micrograph of osteosarcoma bone cancer cell. — Stock Photo
    Colored scanning electron micrograph of osteosarcoma bone cancer cell.
    Cat flea head — Stock Photo
    Cat flea head
    Scanning electron micrograph (SEM) of sarcoma cells in culture. — Stock Photo
    Scanning electron micrograph (SEM) of sarcoma cells in culture.
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    Scanning electron micrograph (SEM) of a copepod (subclass Copepoda). — Stock Photo
    Scanning electron micrograph (SEM) of a copepod (subclass Copepoda).
    Happy young asian friends together working with laptop in bar — Stock Photo
    Happy young asian friends together working with laptop in bar
    Business people smiling in office — Stock Photo
    Business people smiling in office
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Female mechanic using electronic diagnostic device in repair garage — Stock Photo
    Female mechanic using electronic diagnostic device in repair garage
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Mother and daughter using digital tablet on bench outside airport — Stock Photo
    Mother and daughter using digital tablet on bench outside airport
    Oligodendrocyte cell structure — Stock Photo
    Oligodendrocyte cell structure
    Allergenic pet dander on dog hair, colored scanning electron micrograph. — Stock Photo
    Allergenic pet dander on dog hair, colored scanning electron micrograph.
    Couple lying on bed and using electronic gadgets — Stock Photo
    Couple lying on bed and using electronic gadgets
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Brother and sister using digital tablet in airport departure area — Stock Photo
    Brother and sister using digital tablet in airport departure area
    Son helping senior father paying bills at laptop — Stock Photo
    Son helping senior father paying bills at laptop
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan.
    Woman using digital tablet at table at home — Stock Photo
    Woman using digital tablet at table at home
    Red blood cells — Stock Photo
    Red blood cells
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    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
    Activated platelet from peripheral blood — Stock Photo
    Activated platelet from peripheral blood
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear. — Stock Photo
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear.
    Colored scanning electron micrograph of osteoblast osteocyte bone cell. — Stock Photo
    Colored scanning electron micrograph of osteoblast osteocyte bone cell.
    Components of house dust — Stock Photo
    Components of house dust
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    Caucasian man using digital tablet outdoors — Stock Photo
    Caucasian man using digital tablet outdoors
    Fractured pancreas tissue — Stock Photo
    Fractured pancreas tissue
    Vaccinia virus particle — Stock Photo
    Vaccinia virus particle
    Pregnant couple using digital tablet near fireplace in living room — Stock Photo
    Pregnant couple using digital tablet near fireplace in living room
    Multi-generation family using digital tablet outdoors — Stock Photo
    Multi-generation family using digital tablet outdoors