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    Mid section of doctor doing ultrasound scan for pregnant woman in hospital — Stock Photo
    Mid section of doctor doing ultrasound scan for pregnant woman in hospital
    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
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    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
    Anonymous man demonstrating teeth scan on laptop screen to unrecognizable female dentist in modern clinic — Stock Photo
    Anonymous man demonstrating teeth scan on laptop screen to unrecognizable female dentist in modern clinic
    Hand of dentist in gloves and mask using modern equipment for making scan of teeth of unrecognizable patient in dentist office — Stock Photo
    Hand of dentist in gloves and mask using modern equipment for making scan of teeth of unrecognizable patient in dentist office
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Ophthalmologist using auto refractometer eye examination equipment on boy in clinic. — Stock Photo
    Ophthalmologist using auto refractometer eye examination equipment on boy in clinic.
    Doctors examining scan on computer with patient on MRI scanner in background — Stock Photo
    Doctors examining scan on computer with patient on MRI scanner in background
    Activated platelets with canalicular system — Stock Photo
    Activated platelets with canalicular system
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    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
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Pensive male doctor with hand on chin examining MRI scan. — Stock Photo
    Pensive male doctor with hand on chin examining MRI scan.
    Coloured scanning electron micrograph (SEM) of Schizosaccharomyces pombe yeast. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Schizosaccharomyces pombe yeast.
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    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
    Skeleton holding champagne and two glasses, X-ray. — Stock Photo
    Skeleton holding champagne and two glasses, X-ray.
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph. — Stock Photo
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph.
    Red blood cells — Stock Photo
    Red blood cells
    Woman undergoing ophthalmology visual field testing with A-scan ultrasound biometry. — Stock Photo
    Woman undergoing ophthalmology visual field testing with A-scan ultrasound biometry.
    Healthy human brain — Stock Photo
    Healthy human brain
    Patient entering mri scan machine at hospital — Stock Photo
    Patient entering mri scan machine at hospital
    Doctor looking at brain mri scan on digital tablet at hospital — Stock Photo
    Doctor looking at brain mri scan on digital tablet at hospital
    Marine planktonic unicellular alga — Stock Photo
    Marine planktonic unicellular alga
    Blood clot structure — Stock Photo
    Blood clot structure
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    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.
    Airport security officer standing with metal detector to check a commuter in airport — Stock Photo
    Airport security officer standing with metal detector to check a commuter in airport
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    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 of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    Pregnant woman looking at a sonography on digital table in bedroom — Stock Photo
    Pregnant woman looking at a sonography on digital table in bedroom
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Digital brain scan on computer monitor with MRI scanner in background — Stock Photo
    Digital brain scan on computer monitor with MRI scanner in background
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    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.
    Briefcase with various items, X-ray. — Stock Photo
    Briefcase with various items, X-ray.
    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).
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Side view of wistful doctor in uniform examining radiography picture of patient while thinking about diagnosis — Stock Photo
    Side view of wistful doctor in uniform examining radiography picture of patient while thinking about diagnosis
    Light micrograph of a section through a nasal polyp, a benign growth that arises from a mucous membrane. — Stock Photo
    Light micrograph of a section through a nasal polyp, a benign growth that arises from a mucous membrane.
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells. — Stock Photo
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells.
    Blue colored dust mite, digital illustration. — Stock Photo
    Blue colored dust mite, digital illustration.
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Fractured pancreas tissue — Stock Photo
    Fractured pancreas tissue
    Plastic baby doll toy, X-ray. — Stock Photo
    Plastic baby doll toy, X-ray.
    Two workers operating a scanning machine at factory — Stock Photo
    Two workers operating a scanning machine at factory
    Face of woman undergoing examination in skin clinic. — Stock Photo
    Face of woman undergoing examination in skin clinic.
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph. — Stock Photo
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph.
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Coloured scanning electron micrograph of bacteria cultured from mobile phone. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone.
    Female patient beside digital mammography unit — Stock Photo
    Female patient beside digital mammography unit
    Colored scanning electron micrograph of cancellous bone tissue from starling bird skull. — Stock Photo
    Colored scanning electron micrograph of cancellous bone tissue from starling bird skull.
    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.
    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