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    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).
    Tumour affecting the pituitary gland — Stock Photo
    Tumour affecting the pituitary gland
    Healthy human brain — Stock Photo
    Healthy human brain
    Coloured scanning electron micrograph of bacteria cultured from mobile phone. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone.
    Colored computer tomography scan of healthy lungs. — Stock Photo
    Colored computer tomography scan of healthy lungs.
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant. — Stock Photo
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant.
    Male doctor looking at radiogram image — Stock Photo
    Male doctor looking at radiogram image
    Patient entering mri scan machine at hospital — Stock Photo
    Patient entering mri scan machine at hospital
    Female worker scanning a bar code in factory — Stock Photo
    Female worker scanning a bar code in factory
    Skeleton holding an open umbrella above him, X-ray. — Stock Photo
    Skeleton holding an open umbrella above him, X-ray.
    Laboratory technician scanning bar code of plasma bags in blood bank — Stock Photo
    Laboratory technician scanning bar code of plasma bags in blood bank
    Plaque-forming bacteria, colored scanning electron micrograph. — Stock Photo
    Plaque-forming bacteria, colored scanning electron micrograph.
    Geranium pollen grain — Stock Photo
    Geranium pollen grain
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    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.
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Patient entering mri scanning machine at hospital — Stock Photo
    Patient entering mri scanning machine at hospital
    Colored scanning electron micrograph image of tooth dentine, mineralised connective tissue found under tooth enamel. — Stock Photo
    Colored scanning electron micrograph image of tooth dentine, mineralised connective tissue found under tooth enamel.
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    Person smoking, coloured X-ray. — Stock Photo
    Person smoking, coloured X-ray.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    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.
    Doctor examining brain mri scan on digital tablet at hospital — Stock Photo
    Doctor examining brain mri scan on digital tablet at hospital
    Anglepoise lamp, X-ray, radiology scan — Stock Photo
    Anglepoise lamp, X-ray, radiology scan
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes).
    Female patient at eye test with slit lamp in ophthalmology clinic. — Stock Photo
    Female patient at eye test with slit lamp in ophthalmology clinic.
    Hospital radiologist posing in front of CT scanner — Stock Photo
    Hospital radiologist posing in front of CT scanner
    Human red blood cells and platelets — Stock Photo
    Human red blood cells and platelets
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Dog hair, coloured scanning electron micrograph (SEM).In dogs several hairs emerge from a single follicle. — Stock Photo
    Dog hair, coloured scanning electron micrograph (SEM).In dogs several hairs emerge from a single follicle.
    Whelk eggs case, X-ray. — Stock Photo
    Whelk eggs case, X-ray.
    Hand of person holding an x-ray shot on the illuminated background. — Stock Photo
    Hand of person holding an x-ray shot on the illuminated background.
    Scanning electron micrograph (SEM) of a copepod (subclass Copepoda). — Stock Photo
    Scanning electron micrograph (SEM) of a copepod (subclass Copepoda).
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Coloured scanning electron micrograph (SEM) of uric acid crystals. — Stock Photo
    Coloured scanning electron micrograph (SEM) of uric acid crystals.
    Sneaker footwear, X-ray. — Stock Photo
    Sneaker footwear, X-ray.
    Green colored dust mite, digital illustration. — Stock Photo
    Green colored dust mite, digital illustration.
    Lung cancer cells — Stock Photo
    Lung cancer cells
    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
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Anonymous dentist demonstrating smartphone with teeth scan to unrecognizable patient in clinic — Stock Photo
    Anonymous dentist demonstrating smartphone with teeth scan to unrecognizable patient in clinic
    Middle-aged woman and her doctor in an open MRI machine waiting for the test to start — Stock Photo
    Middle-aged woman and her doctor in an open MRI machine waiting for the test to start
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (green) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (green)
    Colored scanning electron micrograph of microstructures formed on nickel surface. — Stock Photo
    Colored scanning electron micrograph of microstructures formed on nickel surface.
    Patient entering mri scanning machine at hospital — Stock Photo
    Patient entering mri scanning machine at hospital
    Briefcase and IT accessories, coloured X-ray. — Stock Photo
    Briefcase and IT accessories, coloured X-ray.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple. — Stock Photo
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple.
    Cancellous bone tissue — Stock Photo
    Cancellous bone tissue
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Modern hospital operating room prepared for brain surgery. — Stock Photo
    Modern hospital operating room prepared for brain surgery.
    Colored carotid artery, medical doppler ultrasound scan. — Stock Photo
    Colored carotid artery, medical doppler ultrasound scan.