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    Bahama sea fan, X-ray. — Stock Photo
    Bahama sea fan, X-ray.
    X-ray machine in empty room at hospital — Stock Photo
    X-ray machine in empty room at hospital
    Magnetic resonance imaging scan of human brain. — Stock Photo
    Magnetic resonance imaging scan of human brain.
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Hair follicles. Coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together — Stock Photo
    Hair follicles. Coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together
    Doctor examining brain mri scan on computer at hospital — Stock Photo
    Doctor examining brain mri scan on computer at hospital
    Two skeletons shaking hands, X-ray. — Stock Photo
    Two skeletons shaking hands, X-ray.
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Crop medical practitioner making sonogram to happy pregnant woman during work in contemporary fertility clinic — Stock Photo
    Crop medical practitioner making sonogram to happy pregnant woman during work in contemporary fertility clinic
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Human leg and stiletto shoe, X-ray. — Stock Photo
    Human leg and stiletto shoe, X-ray.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman in hospital — Stock Photo
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman in hospital
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells. — Stock Photo
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells.
    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
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Senior radiologist studying CT scans in hospital. — Stock Photo
    Senior radiologist studying CT scans in hospital.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli. — Stock Photo
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli.
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Male sex cell — Stock Photo
    Male sex cell
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Fat cell. Coloured scanning electron micrograph (SEM) of part of a fat-storing cell (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter — Stock Photo
    Fat cell. Coloured scanning electron micrograph (SEM) of part of a fat-storing cell (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    From above of crop unrecognizable male using smartphone and scanning QR code of menu of restaurant — Stock Photo
    From above of crop unrecognizable male using smartphone and scanning QR code of menu of restaurant
    Normal human brain — Stock Photo
    Normal human brain
    Coloured transmission electron micrograph (TEM) of a section through a Langerhans cell from the epidermis of the skin. — Stock Photo
    Coloured transmission electron micrograph (TEM) of a section through a Langerhans cell from the epidermis of the skin.
    Heart scan, conceptual illustration — Stock Photo
    Heart scan, conceptual illustration
    From above pregnant female inspecting sonogram picture while sitting in a chair in ward of modern fertility clinic — Stock Photo
    From above pregnant female inspecting sonogram picture while sitting in a chair in ward of modern fertility clinic
    Female doctor using x-ray machine to examining patient in hospital — Stock Photo
    Female doctor using x-ray machine to examining patient in hospital
    Hands of dentist in gloves and mask using modern equipment for making scan of teeth of female patient in dentist office — Stock Photo
    Hands of dentist in gloves and mask using modern equipment for making scan of teeth of female patient in dentist office
    Escherichia coli bacteria on gecko tongue — Stock Photo
    Escherichia coli bacteria on gecko tongue
    Papillae on the upper surface of a rose flower petal (Rosa sp), coloured scanning electron micrograph (SEM). — Stock Photo
    Papillae on the upper surface of a rose flower petal (Rosa sp), coloured scanning electron micrograph (SEM).
    Blue mussel shells (Mytilus edulis), X-ray — Stock Photo
    Blue mussel shells (Mytilus edulis), X-ray
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue. — Stock Photo
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue.
    MRI scan of normal brain — Stock Photo
    MRI scan of normal brain
    Doctor using x-ray machine to examining patient in hospital — Stock Photo
    Doctor using x-ray machine to examining patient in hospital
    Coral, X-ray, radiology scan — Stock Photo
    Coral, X-ray, radiology scan
    Hospital radiologist sitting at desk in front of CT scans. — Stock Photo
    Hospital radiologist sitting at desk in front of CT scans.
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid — Stock Photo
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Modern vision test equipment and chair against white wall in optician office in clinic — Stock Photo
    Modern vision test equipment and chair against white wall in optician office in clinic
    Airport security officer checking bag of commuter in airport — Stock Photo
    Airport security officer checking bag of commuter in airport
    Zebrafish young. Coloured scanning electron micrograph (SEM) of newly-hatched zebrafish (Danio rerio) young or fry. These fish are used to study embryonic development. The eyes (red) are seen in the heads. Zebrafish eggs are transparent — Stock Photo
    Zebrafish young. Coloured scanning electron micrograph (SEM) of newly-hatched zebrafish (Danio rerio) young or fry. These fish are used to study embryonic development. The eyes (red) are seen in the heads. Zebrafish eggs are transparent
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear. — Stock Photo
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear.
    Female patient receiving a ultrasound scan on the stomach in hospital — Stock Photo
    Female patient receiving a ultrasound scan on the stomach in hospital
    Colored scanning electron micrograph of scales from silverfish insect living fossil. — Stock Photo
    Colored scanning electron micrograph of scales from silverfish insect living fossil.
    Colored scanning electron micrograph of metal nanoparticles formed by laser ablation. — Stock Photo
    Colored scanning electron micrograph of metal nanoparticles formed by laser ablation.
    Patient entering mri scanning machine at hospital — Stock Photo
    Patient entering mri scanning machine at hospital
    Modern hospital operating room prepared for brain surgery. — Stock Photo
    Modern hospital operating room prepared for brain surgery.
    White blood cells — Stock Photo
    White blood cells
    Woman looking mri scan report on computer screen in clinic — Stock Photo
    Woman looking mri scan report on computer screen in clinic
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum. — Stock Photo
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum.
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Coloured scanning electron micrograph (SEM) of a fracture through the thyroid gland revealing several follicles (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fracture through the thyroid gland revealing several follicles (yellow).