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    Focused man paying bills at digital tablet — Stock Photo
    Focused man paying bills at digital tablet
    Leech, coloured scanning electron micrograph (SEM). — Stock Photo
    Leech, coloured scanning electron micrograph (SEM).
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Senior caucasian woman using digital tablet on sofa — Stock Photo
    Senior caucasian woman using digital tablet on sofa
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Primrose (Primula sp.) pollen grain, coloured scanning electron micrograph (SEM). — Stock Photo
    Primrose (Primula sp.) pollen grain, coloured scanning electron micrograph (SEM).
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen — Stock Photo
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Various tools hanging in an electronic service centre — Stock Photo
    Various tools hanging in an electronic service centre
    Human hair Caucasian brunette, coloured scanning electron micrograph. — Stock Photo
    Human hair Caucasian brunette, coloured scanning electron micrograph.
    Mother and daughters using digital tablet in airport departure area — Stock Photo
    Mother and daughters using digital tablet in airport departure area
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    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.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes).
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Woman reading e-book on digital tablet — Stock Photo
    Woman reading e-book on digital tablet
    Bird bone tissue — Stock Photo
    Bird bone tissue
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Non-activated blood cell fragments platelets, coloured scanning electron micrograph. — Stock Photo
    Non-activated blood cell fragments platelets, coloured scanning electron micrograph.
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Human blood cells — Stock Photo
    Human blood cells
    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.
    Father and daughters using electronic devices in living room at home — Stock Photo
    Father and daughters using electronic devices in living room at home
    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.
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Smiling woman using digital tablet — Stock Photo
    Smiling woman using digital tablet
    Businessman using digital tablet in office — Stock Photo
    Businessman using digital tablet in office
    Smiling girl using digital tablet under sheet — Stock Photo
    Smiling girl using digital tablet under sheet
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Pseudomonas aeruginosa bacteria — Stock Photo
    Pseudomonas aeruginosa bacteria
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Pacemaker in heart disease — Stock Photo
    Pacemaker in heart disease
    Computer circuit board and human brain — Stock Photo
    Computer circuit board and human brain
    Desk and shelves with various equipment in an electronics repair centre — Stock Photo
    Desk and shelves with various equipment in an electronics repair centre
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus — Stock Photo
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus
    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 surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Blade of grass with a serrated edge — Stock Photo
    Blade of grass with a serrated edge
    Woman practicing yoga with laptop computer at her home — Stock Photo
    Woman practicing yoga with laptop computer at her home
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Laptop repairing machine in an electronic service centre — Stock Photo
    Laptop repairing machine in an electronic service centre
    Cat flea. Coloured scanning electron micrograph (SEM) of a cat flea (Ctenocephalides felis). Its body is laterally-flattened to allow it to move easily through the fur of its cat host. The flea's antennae can be withdrawn into its head — Stock Photo
    Cat flea. Coloured scanning electron micrograph (SEM) of a cat flea (Ctenocephalides felis). Its body is laterally-flattened to allow it to move easily through the fur of its cat host. The flea's antennae can be withdrawn into its head
    Fibroblast cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Fibroblast cell, coloured scanning electron micrograph (SEM).
    Vaccinia virus particle — Stock Photo
    Vaccinia virus particle
    Friends using digital tablet on blanket — Stock Photo
    Friends using digital tablet on blanket
    Coloured scanning electron micrograph (SEM) of Asbestos fiberschrysotile type. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Asbestos fiberschrysotile type.
    Sapphire, SEM — Stock Photo
    Sapphire, SEM
    Woman in bathrobe laying on bed using digital tablet — Stock Photo
    Woman in bathrobe laying on bed using digital tablet
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Son helping senior father paying bills at laptop — Stock Photo
    Son helping senior father paying bills at laptop
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae. — Stock Photo
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Boy playing electronic drums — Stock Photo
    Boy playing electronic drums
    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.
    Boy with headphones listening to music on digital tablet — Stock Photo
    Boy with headphones listening to music on digital tablet