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    Doctor using x-ray machine to examining patient in hospital — Stock Photo
    Doctor using x-ray machine to examining patient in hospital
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear.
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Patient lying on mri machine in scanning room at hospital — Stock Photo
    Patient lying on mri machine in scanning room at hospital
    Used surgical swab — Stock Photo
    Used surgical swab
    Escherichia coli bacteria on gecko tongue — Stock Photo
    Escherichia coli bacteria on gecko tongue
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    Doctors using x-ray machine to examining patient in hospital — Stock Photo
    Doctors using x-ray machine to examining patient in hospital
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Lining of the small intestine — Stock Photo
    Lining of the small intestine
    Human head louse on human hair — Stock Photo
    Human head louse on human hair
    Coloured scanning electron micrograph (SEM) of Komagataella phaffii - methylotrophic yeast. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Komagataella phaffii - methylotrophic yeast.
    Dividing prostate gland cancer cells, colored scanning electron micrograph. — Stock Photo
    Dividing prostate gland cancer cells, colored scanning electron micrograph.
    Actinocyclus sp. diatom unicellular algae — Stock Photo
    Actinocyclus sp. diatom unicellular algae
    Customer service representative scanning smart phone QR code at airport check-in counter — Stock Photo
    Customer service representative scanning smart phone QR code at airport check-in counter
    Body of cat flea — Stock Photo
    Body of cat flea
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system — Stock Photo
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system
    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.
    Workers checking packages on conveyor belt in warehouse — Stock Photo
    Workers checking packages on conveyor belt in warehouse
    Coloured scanning electron micrograph (SEM) of a wood anemone (Anemone nemerosa) anther (male reproductive part) covered in pollen. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a wood anemone (Anemone nemerosa) anther (male reproductive part) covered in pollen.
    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.
    Airport security officer using a metal detector to check a bag in airport — Stock Photo
    Airport security officer using a metal detector to check a bag in airport
    Red blood cells — Stock Photo
    Red blood cells
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Coloured scanning electron micrograph of cancer cell from human colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cell from human colon.
    Coloured scanning electron micrograph of bacteria cultured from mobile phone. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone.
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Woman scanning the barcode of a candle — Stock Photo
    Woman scanning the barcode of a candle
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Coloured scanning electron micrograph of bacteria cultured from used dishcloth. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from used dishcloth.
    Scanning electron micrograph of bacteria cultured from sample of human faeces. — Stock Photo
    Scanning electron micrograph of bacteria cultured from sample of human faeces.
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue.
    Blood clot formation — Stock Photo
    Blood clot formation
    Cat flea head — Stock Photo
    Cat flea head
    Customer making payment through smart phone in bar — Stock Photo
    Customer making payment through smart phone in bar
    Primrose (Primula sp.) pollen grain, coloured scanning electron micrograph (SEM). — Stock Photo
    Primrose (Primula sp.) pollen grain, coloured scanning electron micrograph (SEM).
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Portrait of smiling doctor standing in x-ray room at hospital — Stock Photo
    Portrait of smiling doctor standing in x-ray room at hospital
    Coloured scanning electron micrograph (SEM) of the inner lining of the stomach (gastric mucosa). — Stock Photo
    Coloured scanning electron micrograph (SEM) of the inner lining of the stomach (gastric mucosa).
    Coloured scanning electron micrograph of breast cancer cell. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cell.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Scanning electron micrograph of head of pork tapeworm intestinal parasite. — Stock Photo
    Scanning electron micrograph of head of pork tapeworm intestinal parasite.
    Obstetrician using ultrasound transducer for scanning abdomen of pregnant woman. — Stock Photo
    Obstetrician using ultrasound transducer for scanning abdomen of pregnant woman.
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Healthy human skin — Stock Photo
    Healthy human skin
    Female doctor using x-ray machine to examining patient in hospital — Stock Photo
    Female doctor using x-ray machine to examining patient in hospital
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Veterinarian examining dog in veterinary surgery — Stock Photo
    Veterinarian examining dog in veterinary surgery
    Female Asian tiger mosquito, colored scanning electron micrograph. — Stock Photo
    Female Asian tiger mosquito, colored scanning electron micrograph.
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen