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21851953 results

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    Adult parasitic louse — Stock Photo
    Adult parasitic louse
    Three test tubes with various liquids in tube rack. — Stock Photo
    Three test tubes with various liquids in tube rack.
    Viral infection and viral particles — Stock Photo
    Viral infection and viral particles
    Schematic rendering of human skeletal system — Stock Photo
    Schematic rendering of human skeletal system
    Leg musculature and structural anatomy — Stock Photo
    Leg musculature and structural anatomy
    Crop anonymous doctor working on netbook on table with injector and small bottle with blue substance in clinic — Stock Photo
    Crop anonymous doctor working on netbook on table with injector and small bottle with blue substance in clinic
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Top view of multicolored dentist medical glasses with binocular lenses arranged in black box placed on white table in laboratory — Stock Photo
    Top view of multicolored dentist medical glasses with binocular lenses arranged in black box placed on white table in laboratory
    Human digestive system with highlighted pancreas and molecular model of insulin. — Stock Photo
    Human digestive system with highlighted pancreas and molecular model of insulin.
    Female laboratory technician using microscope in laboratory. — Stock Photo
    Female laboratory technician using microscope in laboratory.
    Scientist removing medical samples from machine in lab — Stock Photo
    Scientist removing medical samples from machine in lab
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory classroom
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Close-up of lab machine in laboratory — Stock Photo
    Close-up of lab machine in laboratory
    Six spot burnet moth sitting on Fullers teasel. — Stock Photo
    Six spot burnet moth sitting on Fullers teasel.
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Digital illustration of blue bacteria in bloodstream. — Stock Photo
    Digital illustration of blue bacteria in bloodstream.
    Maggots of house fly — Stock Photo
    Maggots of house fly
    Scientist posing in protective costume in laboratory — Stock Photo
    Scientist posing in protective costume in laboratory
    Illustration of yellow abscesses on kidney and close-up of Enterococcus bacteria. — Stock Photo
    Illustration of yellow abscesses on kidney and close-up of Enterococcus bacteria.
    3d illustration of glowing fibre optics on dark background. — Stock Photo
    3d illustration of glowing fibre optics on dark background.
    Close-up of pipettes in stand on desk — Stock Photo
    Close-up of pipettes in stand on desk
    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital illustration.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Human rib costal cartilage — Stock Photo
    Human rib costal cartilage
    Male biologist working with microscope with colleague in background — Stock Photo
    Male biologist working with microscope with colleague in background
    Shotgun injury to face — Stock Photo
    Shotgun injury to face
    Human larynx anatomy — Stock Photo
    Human larynx anatomy
    Human thoracic spine — Stock Photo
    Human thoracic spine
    Group of laboratory test tubes with colored liquids. — Stock Photo
    Group of laboratory test tubes with colored liquids.
    Scientist pouring chemical solution on conical flask from bottle in lab — Stock Photo
    Scientist pouring chemical solution on conical flask from bottle in lab
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab. — Stock Photo
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Intestinal villi structure — Stock Photo
    Intestinal villi structure
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Close-up of lab equipment arranged in laboratory — Stock Photo
    Close-up of lab equipment arranged in laboratory
    3d illustration of optical light guide cables in different colours with open ends which shining brightly. — Stock Photo
    3d illustration of optical light guide cables in different colours with open ends which shining brightly.
    Agar plates with growing fungus colony on laboratory table. — Stock Photo
    Agar plates with growing fungus colony on laboratory table.
    Female scientist examining sample from culture in Petri dish. — Stock Photo
    Female scientist examining sample from culture in Petri dish.
    Human brain cross-section — Stock Photo
    Human brain cross-section
    House dust mite on human skin — Stock Photo
    House dust mite on human skin
    Colored digital illustration of cancer cell. — Stock Photo
    Colored digital illustration of cancer cell.
    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.
    Osteochondritis dissecans of the knee — Stock Photo
    Osteochondritis dissecans of the knee
    Adult head louse — Stock Photo
    Adult head louse
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Small pouches in the large intestine — Stock Photo
    Small pouches in the large intestine
    Scientist viewing results of genetic test on digital tablet. — Stock Photo
    Scientist viewing results of genetic test on digital tablet.
    Rice and corn in containers with laboratory equipment for food research. — Stock Photo
    Rice and corn in containers with laboratory equipment for food research.
    Female scientist examining fluid in beaker, rear view — Stock Photo
    Female scientist examining fluid in beaker, rear view
    Human rib costal cartilage — Stock Photo
    Human rib costal cartilage
    Haemophilus ducreyi bacteria, digital illustration. — Stock Photo
    Haemophilus ducreyi bacteria, digital illustration.
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection. — Stock Photo
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection.
    Close-up of empty and sterile phials in red plastic box. — Stock Photo
    Close-up of empty and sterile phials in red plastic box.
    Satellite view of Saturn — Stock Photo
    Satellite view of Saturn
    Close-up of glass syringe with stand and beaker arranged on table in laboratory — Stock Photo
    Close-up of glass syringe with stand and beaker arranged on table in laboratory