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22784438 results

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    Cat flea head — Stock Photo
    Cat flea head
    Conductive vessel element in mountain mahogany wood (Cercocarpus sp), coloured scanning electron micrograph (SEM). — Stock Photo
    Conductive vessel element in mountain mahogany wood (Cercocarpus sp), coloured scanning electron micrograph (SEM).
    Colorectal cancer cell dividing — Stock Photo
    Colorectal cancer cell dividing
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Green colored dust mite, digital illustration. — Stock Photo
    Green colored dust mite, digital illustration.
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Varicella zoster virus particle — Stock Photo
    Varicella zoster virus particle
    Grandmother and grandson using digital tablet in sunny hammock — Stock Photo
    Grandmother and grandson using digital tablet in sunny hammock
    Smiling man laying on bed and using digital tablet — Stock Photo
    Smiling man laying on bed and using digital tablet
    Mother and daughter using digital tablet on bench outside airport — Stock Photo
    Mother and daughter using digital tablet on bench outside airport
    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.
    Cardiac muscle from a healthy heart — Stock Photo
    Cardiac muscle from a healthy heart
    Activated platelet from peripheral blood — Stock Photo
    Activated platelet from peripheral blood
    Man vaping and using smartphone near a cup of fresh coffee while sitting at wooden table in countryside — Stock Photo
    Man vaping and using smartphone near a cup of fresh coffee while sitting at wooden table in countryside
    Smiling couple using digital tablet — Stock Photo
    Smiling couple using digital tablet
    Dividing prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Dividing prostate cancer cells, coloured scanning electron micrograph.
    Coloured scanning electron micrograph of cancer cell from human colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cell from human colon.
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue).
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Children and mother using electronic gadgets at house — Stock Photo
    Children and mother using electronic gadgets at house
    Chinese couple buying air conditioner in electronics store — Stock Photo
    Chinese couple buying air conditioner in electronics store
    Businessmen meeting at sidewalk cafe — Stock Photo
    Businessmen meeting at sidewalk cafe
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Girl soldering circuit board at desk in office. — Stock Photo
    Girl soldering circuit board at desk in office.
    Electrical engineer working on circuit board and pressing buttons of electronic device. — Stock Photo
    Electrical engineer working on circuit board and pressing buttons of electronic device.
    Dividing prostate gland cancer cells, colored scanning electron micrograph. — Stock Photo
    Dividing prostate gland cancer cells, colored scanning electron micrograph.
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli. — Stock Photo
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli.
    Human red blood cells trapped in a fibrin blood clot, coloured scanning electron micrograph (SEM). — Stock Photo
    Human red blood cells trapped in a fibrin blood clot, coloured scanning electron micrograph (SEM).
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown) — Stock Photo
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown)
    Cilia covering the epithelial lining of the nasopharyx — Stock Photo
    Cilia covering the epithelial lining of the nasopharyx
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines — Stock Photo
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms. — Stock Photo
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms.
    Colored scanning electron micrograph of nanostructures formed on vanadium oxide surface by carbon dioxide laser. — Stock Photo
    Colored scanning electron micrograph of nanostructures formed on vanadium oxide surface by carbon dioxide laser.
    Woman drinking coffee using digital tablet at balcony railing — Stock Photo
    Woman drinking coffee using digital tablet at balcony railing
    Dense connective tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Dense connective tissue, coloured scanning electron micrograph (SEM).
    Coloured scanning electron micrograph of human cancellous spongy bone tissue. — Stock Photo
    Coloured scanning electron micrograph of human cancellous spongy bone tissue.
    Prostate cancer cell, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cell, coloured scanning electron micrograph.
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Close-up of girl hands soldering circuit board at desk. — Stock Photo
    Close-up of girl hands soldering circuit board at desk.
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Chinese woman in Madrid vaping — Stock Photo
    Chinese woman in Madrid vaping
    Coloured scanning electron micrograph (SEM) of Mould, hyphae, conidiophores (fruiting structures) and conidium (asexual spore) formation (Penicillium sp.;likely Penicillum candidum). — Stock Photo
    Coloured scanning electron micrograph (SEM) of Mould, hyphae, conidiophores (fruiting structures) and conidium (asexual spore) formation (Penicillium sp.;likely Penicillum candidum).
    Casual businesswoman with headphones using digital tablet in office — Stock Photo
    Casual businesswoman with headphones using digital tablet in office
    Mother and daughters with cell phone, laptop and digital tablet on sofa — Stock Photo
    Mother and daughters with cell phone, laptop and digital tablet on sofa
    Female Asian tiger mosquito, colored scanning electron micrograph. — Stock Photo
    Female Asian tiger mosquito, colored scanning electron micrograph.
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Father and son in pajamas using digital tablet — Stock Photo
    Father and son in pajamas using digital tablet
    Cardiac muscle from a healthy heart — Stock Photo
    Cardiac muscle from a healthy heart
    Blade of grass with a serrated edge — Stock Photo
    Blade of grass with a serrated edge
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs — Stock Photo
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs
    Male electrician students practicing in workshop — Stock Photo
    Male electrician students practicing in workshop
    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.
    Woodland skipper butterfly compound eye — Stock Photo
    Woodland skipper butterfly compound eye
    Smiling girl using digital tablet under sheet — Stock Photo
    Smiling girl using digital tablet under sheet
    Close up of a child pointing at electronic tablet at home — Stock Photo
    Close up of a child pointing at electronic tablet at home