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    Colored scanning electron micrograph of protective dendritic cell of immune system. — Stock Photo
    Colored scanning electron micrograph of protective dendritic cell of immune system.
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Yellow colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer. — Stock Photo
    Yellow colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Bacillus megaterium bacterial colony, coloured scanning electron micrograph. — Stock Photo
    Bacillus megaterium bacterial colony, coloured scanning electron micrograph.
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    A snowy egret scans the shoreline for food — Stock Photo
    A snowy egret scans the shoreline for food
    Facial recognition, conceptual illustration. — Stock Photo
    Facial recognition, conceptual illustration.
    Skeleton bike stunt, X-ray. — Stock Photo
    Skeleton bike stunt, X-ray.
    Computer enhanced false-colour Magnetic Resonance Image (MRI) of a mid-sagittal section 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 Image (MRI) of a mid-sagittal section through the head of a normal 46 year-old woman, showing structures of the brain, spine and facial tissues.
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    Medical MRI scan room in hospital — Stock Photo
    Medical MRI scan room in hospital
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Face of woman undergoing examination in skin clinic. — Stock Photo
    Face of woman undergoing examination in skin clinic.
    Closeup of anonymous female patient using pulseoximeter to measure level of oxygen in blood while putting device on finger in room — Stock Photo
    Closeup of anonymous female patient using pulseoximeter to measure level of oxygen in blood while putting device on finger in room
    Axial computed tomography scan of chest showing cancerous tumor in lungs. — Stock Photo
    Axial computed tomography scan of chest showing cancerous tumor in lungs.
    Female patient undergoing computed tomography diagnostics. — Stock Photo
    Female patient undergoing computed tomography diagnostics.
    Cat flea head — Stock Photo
    Cat flea head
    Male sex cell — Stock Photo
    Male sex cell
    Police riot helmet, X-ray. — Stock Photo
    Police riot helmet, X-ray.
    Plastic baby doll toy, X-ray. — Stock Photo
    Plastic baby doll toy, X-ray.
    Female patient beside digital mammography unit — Stock Photo
    Female patient beside digital mammography unit
    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.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    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
    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
    Male patient going through x-ray test in hospital — Stock Photo
    Male patient going through x-ray test in hospital
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth. — Stock Photo
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth.
    Female worker scanning a bar code in factory — Stock Photo
    Female worker scanning a bar code in factory
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Portrait of senior woman undergoing an x-ray test in hospital — Stock Photo
    Portrait of senior woman undergoing an x-ray test in hospital
    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.
    Tumour affecting the pituitary gland — Stock Photo
    Tumour affecting the pituitary gland
    Stick insect foot — Stock Photo
    Stick insect foot
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Stopwatch, X-ray, radiology scan — Stock Photo
    Stopwatch, X-ray, radiology scan
    Pregnant woman relaxing on sofa and looking at sonography in living room — Stock Photo
    Pregnant woman relaxing on sofa and looking at sonography in living room
    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
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Colorectal cancer cell dividing — Stock Photo
    Colorectal cancer cell dividing
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Knitting, X-ray, radiology scan — Stock Photo
    Knitting, X-ray, radiology scan
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Doctor looking at brain mri scan on digital tablet at hospital — Stock Photo
    Doctor looking at brain mri scan on digital tablet at hospital
    Illustration of abstract cancer cell with tentacles. — Stock Photo
    Illustration of abstract cancer cell with tentacles.
    Hands of dentist in gloves using modern equipment for making scan of teeth of female patient in dentist office — Stock Photo
    Hands of dentist in gloves using modern equipment for making scan of teeth of female patient in dentist office
    Rider with cycle helmet, X-ray — Stock Photo
    Rider with cycle helmet, X-ray
    Human hair, coloured scanning electron micrograph (SEM). Magnification: x550 when printed at 10 centimetres wide. — Stock Photo
    Human hair, coloured scanning electron micrograph (SEM). Magnification: x550 when printed at 10 centimetres wide.
    Cockscomb flower head (Celosia cristata), X-ray. — Stock Photo
    Cockscomb flower head (Celosia cristata), X-ray.
    Orchid (Phalaenopsis sp), X-ray. — Stock Photo
    Orchid (Phalaenopsis sp), X-ray.
    Albumen crystals, coloured scanning electron micrograph (SEM). — Stock Photo
    Albumen crystals, coloured scanning electron micrograph (SEM).
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells.
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Saxophone, X-ray, radiology scan — Stock Photo
    Saxophone, X-ray, radiology scan