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    Cat flea head — Stock Photo
    Cat flea head
    Male doctor checking up chest of woman on monitor of ultrasound machine in hospital — Stock Photo
    Male doctor checking up chest of woman on monitor of ultrasound machine in hospital
    Leech, coloured scanning electron micrograph (SEM). — Stock Photo
    Leech, coloured scanning electron micrograph (SEM).
    Female dentist demonstrating smartphone with teeth scan to woman in clinic — Stock Photo
    Female dentist demonstrating smartphone with teeth scan to woman in clinic
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Female doctor setting up machine for x-ray senior patient at hospital — Stock Photo
    Female doctor setting up machine for x-ray senior patient at hospital
    Digital fingerprint, conceptual digital illustration. — Stock Photo
    Digital fingerprint, conceptual digital illustration.
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph.
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Fire extinguisher, X-ray. — Stock Photo
    Fire extinguisher, X-ray.
    Frontal view of human skull on black background — Stock Photo
    Frontal view of human skull on black background
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cells, coloured scanning electron micrograph.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Airport security officer using a hand held metal detector to check a commuter in airport — Stock Photo
    Airport security officer using a hand held metal detector to check a commuter in airport
    Woman in mask and doctor uniform making scan of teeth of little boy while working in dentist clinic — Stock Photo
    Woman in mask and doctor uniform making scan of teeth of little boy while working in dentist clinic
    Doctor using x-ray machine to examining patient in hospital — Stock Photo
    Doctor using x-ray machine to examining patient in hospital
    Healthy liver, medical ultrasound scan. — Stock Photo
    Healthy liver, medical ultrasound scan.
    Security guard standing under the scanning door in the airport terminal — Stock Photo
    Security guard standing under the scanning door in the airport terminal
    Police riot helmet, X-ray. — Stock Photo
    Police riot helmet, X-ray.
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Doctors interacting with patient in scanning room at hospital — Stock Photo
    Doctors interacting with patient in scanning room at hospital
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Woman in mask and doctor uniform making scan of teeth of little boy while working in dentist clinic — Stock Photo
    Woman in mask and doctor uniform making scan of teeth of little boy while working in dentist clinic
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Red colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer. — Stock Photo
    Red colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer.
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM). — Stock Photo
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM).
    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.
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Male patient receiving a ultrasound scan on the chest — Stock Photo
    Male patient receiving a ultrasound scan on the chest
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes).
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Surgeons looking at magnetic resonance imaging (MRI) brain scans during brain surgery. — Stock Photo
    Surgeons looking at magnetic resonance imaging (MRI) brain scans during brain surgery.
    Self service check-in machines in airport terminal — Stock Photo
    Self service check-in machines in airport terminal
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Doctor viewing X-ray of hand on digital tablet. — Stock Photo
    Doctor viewing X-ray of hand on digital tablet.
    Coloured scanning electron micrograph (SEM) of a fractured bile duct. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured bile duct.
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Colored scanning electron micrograph of osteosarcoma bone cancer cell. — Stock Photo
    Colored scanning electron micrograph of osteosarcoma bone cancer cell.
    Doll knitted dress, coloured X-ray. — Stock Photo
    Doll knitted dress, coloured X-ray.
    Colored scanning electron micrograph showing urethral epithelium of urethra. — Stock Photo
    Colored scanning electron micrograph showing urethral epithelium of urethra.
    Nautilus shell, X-ray. — Stock Photo
    Nautilus shell, X-ray.
    Doctor looking at brain mri scan on digital tablet at hospital — Stock Photo
    Doctor looking at brain mri scan on digital tablet at hospital
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium — Stock Photo
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium
    Doctor looking at brain mri scan on digital tablet at hospital — Stock Photo
    Doctor looking at brain mri scan on digital tablet at hospital
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    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
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    View of meningioma tumor — Stock Photo
    View of meningioma tumor
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Lung cancer cells — Stock Photo
    Lung cancer cells
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Patient entering mri scanning machine at hospital — Stock Photo
    Patient entering mri scanning machine at hospital
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells.
    Closeup of anonymous female patient using pulseoximeter to measure level of oxygen in blood while putting device on finger in room — Stock Photo
    Closeup of anonymous female patient using pulseoximeter to measure level of oxygen in blood while putting device on finger in room
    Rose, X-ray, radiology scan — Stock Photo
    Rose, X-ray, radiology scan
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.