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    Axial computed tomography scan of chest showing cancerous tumor in lungs. — Stock Photo
    Axial computed tomography scan of chest showing cancerous tumor in lungs.
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    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
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    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
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    From above of mobile phone placed on table with QR code of restaurant menu — Stock Photo
    From above of mobile phone placed on table with QR code of restaurant menu
    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
    Stopwatch, X-ray, radiology scan — Stock Photo
    Stopwatch, X-ray, radiology scan
    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.
    Skull and crossbones, X-ray. — Stock Photo
    Skull and crossbones, X-ray.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Conch seashell, X-ray. — Stock Photo
    Conch seashell, X-ray.
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Tumour affecting the pituitary gland — Stock Photo
    Tumour affecting the pituitary gland
    Bicycle helmet, X-ray, radiology scan — Stock Photo
    Bicycle helmet, X-ray, radiology scan
    Doctor viewing brain scans on digital tablet. — Stock Photo
    Doctor viewing brain scans on digital tablet.
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    Radiographer comforting patient before computed tomography (CT) scan. — Stock Photo
    Radiographer comforting patient before computed tomography (CT) scan.
    Unrecognizable pregnant female inspecting sonogram picture while lying on bed in ward of modern fertility clinic — Stock Photo
    Unrecognizable pregnant female inspecting sonogram picture while lying on bed in ward of modern fertility clinic
    Secondary brain cancer — Stock Photo
    Secondary brain cancer
    Female patient beside digital mammography unit — Stock Photo
    Female patient beside digital mammography unit
    House dust mites — Stock Photo
    House dust mites
    Scanning electron micrograph of Brevibacteria on human feet causing odour. — Stock Photo
    Scanning electron micrograph of Brevibacteria on human feet causing odour.
    Orange blossom flowers, X-ray. — Stock Photo
    Orange blossom flowers, X-ray.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Dividing prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Dividing prostate cancer cells, coloured scanning electron micrograph.
    Series of MRI brain scans — Stock Photo
    Series of MRI brain scans
    Scanning electron micrograph of head of pork tapeworm intestinal parasite. — Stock Photo
    Scanning electron micrograph of head of pork tapeworm intestinal parasite.
    Doctors examining x-ray on digital tablet in hospital — Stock Photo
    Doctors examining x-ray on digital tablet in hospital
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans. — Stock Photo
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans.
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Peony flower (Paeonia officinalis), X-ray. — Stock Photo
    Peony flower (Paeonia officinalis), X-ray.
    Face of woman undergoing examination in skin clinic. — Stock Photo
    Face of woman undergoing examination in skin clinic.
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli. — Stock Photo
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli.
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM). — Stock Photo
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM).
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Mid section of surgeon operating ultrasonic device machine at hospital — Stock Photo
    Mid section of surgeon operating ultrasonic device machine at hospital
    Senior patient undergoing heart ultrasound scanning by female doctor. — Stock Photo
    Senior patient undergoing heart ultrasound scanning by female doctor.
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms. — Stock Photo
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms.
    Doctor viewing brain scans on digital tablet. — Stock Photo
    Doctor viewing brain scans on digital tablet.
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    High angle of QR code of menu of Asian restaurant placed on table with napkin and chopsticks — Stock Photo
    High angle of QR code of menu of Asian restaurant placed on table with napkin and chopsticks
    Colored scanning electron micrograph of osteosarcoma bone cancer cell. — Stock Photo
    Colored scanning electron micrograph of osteosarcoma bone cancer cell.
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Heart scan, conceptual illustration — Stock Photo
    Heart scan, conceptual illustration
    Pink colored digital illustration of parasitic dust mites. — Stock Photo
    Pink colored digital illustration of parasitic dust mites.
    Mid section of man making a payment by scanning qr code from smartphone at a cafe. digital and cashless payment technology concept — Stock Photo
    Mid section of man making a payment by scanning qr code from smartphone at a cafe. digital and cashless payment technology concept
    Middle-aged woman on an open MRI machine waiting for the test to begin — Stock Photo
    Middle-aged woman on an open MRI machine waiting for the test to begin
    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
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Colored scanning electron micrograph of osteoblast osteocyte bone cell. — Stock Photo
    Colored scanning electron micrograph of osteoblast osteocyte bone cell.
    Bird bone tissue — Stock Photo
    Bird bone tissue
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (pink) — 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 (pink)
    Coloured scanning electron micrograph (SEM) of a suture in a dog's skin wound. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a suture in a dog's skin wound.
    Scientists looking at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientists looking at scanning electron micrographs of different nanofibre structures.
    Body of cat flea — Stock Photo
    Body of cat flea
    Dense connective tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Dense connective tissue, coloured scanning electron micrograph (SEM).
    Colored magnetic resonance imaging scans of healthy brain of patient. — Stock Photo
    Colored magnetic resonance imaging scans of healthy brain of patient.