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    Mature woman in MRI scanner. — Stock Photo
    Mature woman in MRI scanner.
    Blade of grass with a serrated edge — Stock Photo
    Blade of grass with a serrated edge
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Human skeleton back on black background — Stock Photo
    Human skeleton back on black background
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Cat flea head — Stock Photo
    Cat flea head
    Side view competent female dentist in uniform examining x ray picture on screen in light modern dental clinic — Stock Photo
    Side view competent female dentist in uniform examining x ray picture on screen in light modern dental clinic
    Woman undergoing examination in skin clinic. — Stock Photo
    Woman undergoing examination in skin clinic.
    Human red blood cells — Stock Photo
    Human red blood cells
    Close-up shot of doctor examining belly of pregnant woman with ultrasound — Stock Photo
    Close-up shot of doctor examining belly of pregnant woman with ultrasound
    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
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Doctor looking at ultrasound scan machine in hospital — Stock Photo
    Doctor looking at ultrasound scan machine in hospital
    Computer enhanced false-colour Magnetic Resonance Images (MRI) of two mid-sagittal and one axial (cross sectional) sections through the head of a normal 46 year-old woman, showing structures of the brain, spine and facial tissues. — Stock Photo
    Computer enhanced false-colour Magnetic Resonance Images (MRI) of two mid-sagittal and one axial (cross sectional) sections through the head of a normal 46 year-old woman, showing structures of the brain, spine and facial tissues.
    Human head anatomy — Stock Photo
    Human head anatomy
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Normal skull anatomy of young adult — Stock Photo
    Normal skull anatomy of young adult
    Albumen crystals, coloured scanning electron micrograph (SEM). — Stock Photo
    Albumen crystals, coloured scanning electron micrograph (SEM).
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Organophosphate brain damage — Stock Photo
    Organophosphate brain damage
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye
    Human leg and stiletto shoe, X-ray. — Stock Photo
    Human leg and stiletto shoe, X-ray.
    Close-up of doctor hand doing ultrasound scan of abdomen of pregnant woman. — Stock Photo
    Close-up of doctor hand doing ultrasound scan of abdomen of pregnant woman.
    Doctor viewing brain scans on digital tablet. — Stock Photo
    Doctor viewing brain scans on digital tablet.
    Used surgical swab — Stock Photo
    Used surgical swab
    Purple colored dust mite, digital illustration. — Stock Photo
    Purple colored dust mite, digital illustration.
    Coloured scanning electron micrograph of bacteria cultured from mobile phone. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone.
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Bluebottle fly foot — Stock Photo
    Bluebottle fly foot
    Patient undergoing applanation tonometry and eye pressure test in ophthalmology clinic. — Stock Photo
    Patient undergoing applanation tonometry and eye pressure test in ophthalmology clinic.
    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
    Senior patient undergoing heart ultrasound scanning by female doctor. — Stock Photo
    Senior patient undergoing heart ultrasound scanning by female doctor.
    Athletics high jump, X-ray. — Stock Photo
    Athletics high jump, X-ray.
    Scanning electron micrograph of bacteria cultured from sample of human faeces. — Stock Photo
    Scanning electron micrograph of bacteria cultured from sample of human faeces.
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Patient entering mri scanning machine at hospital — Stock Photo
    Patient entering mri scanning machine at hospital
    Prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cells, coloured scanning electron micrograph.
    Briefcase and IT accessories, coloured X-ray. — Stock Photo
    Briefcase and IT accessories, coloured X-ray.
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower.
    Coloured scanning electron micrograph (SEM) of stubble on a man's face. — Stock Photo
    Coloured scanning electron micrograph (SEM) of stubble on a man's face.
    Hands, X-ray, radiology scan — Stock Photo
    Hands, X-ray, radiology scan
    Healthy lungs of a 30 year old patient — Stock Photo
    Healthy lungs of a 30 year old patient
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Petrol gasoline pumps and skeletons, X-ray. — Stock Photo
    Petrol gasoline pumps and skeletons, X-ray.
    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
    Worker scanning boxes in warehouse — Stock Photo
    Worker scanning boxes in warehouse
    Coloured scanning electron micrograph (SEM) of uric acid crystals. — Stock Photo
    Coloured scanning electron micrograph (SEM) of uric acid crystals.
    Magnolia flower, X-ray, radiology scan — Stock Photo
    Magnolia flower, X-ray, radiology scan
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum — Stock Photo
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum
    Female Asian tiger mosquito, colored scanning electron micrograph. — Stock Photo
    Female Asian tiger mosquito, colored scanning electron micrograph.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Pink rose head (Rosa centifolia), coloured X-ray. — Stock Photo
    Pink rose head (Rosa centifolia), coloured X-ray.
    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.
    Coloured scanning electron micrograph of bacteria on surface of human tongue. — Stock Photo
    Coloured scanning electron micrograph of bacteria on surface of human tongue.
    Colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer. — Stock Photo
    Colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer.
    Triumphant star turban (Guildfordia triumphans), X-ray. — Stock Photo
    Triumphant star turban (Guildfordia triumphans), X-ray.
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa