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    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Cropped image scientist adding liquid in flask — Stock Photo
    Cropped image scientist adding liquid in flask
    Breast cancer screening — Stock Photo
    Breast cancer screening
    Close-up of hand adjusting tap on burette tube in pharmaceutical laboratory. — Stock Photo
    Close-up of hand adjusting tap on burette tube in pharmaceutical laboratory.
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Skeletal system and internal organs — Stock Photo
    Skeletal system and internal organs
    Close up of machinery in science laboratory — Stock Photo
    Close up of machinery in science laboratory
    Test tubes with red liquid in rack. — Stock Photo
    Test tubes with red liquid in rack.
    Side view of crop unrecognizable male biologist in uniform studying dried marijuana flower buds on laboratory table between professional equipment — Stock Photo
    Side view of crop unrecognizable male biologist in uniform studying dried marijuana flower buds on laboratory table between professional equipment
    Illustration of antibodies attacking influenza virus. — Stock Photo
    Illustration of antibodies attacking influenza virus.
    UK map formed in fumes from dangerous science experiment — Stock Photo
    UK map formed in fumes from dangerous science experiment
    Rice and corn in containers with laboratory equipment for food research. — Stock Photo
    Rice and corn in containers with laboratory equipment for food research.
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Technician placing solid phase extraction columns on stand. — Stock Photo
    Technician placing solid phase extraction columns on stand.
    Adult worker Honey bee — Stock Photo
    Adult worker Honey bee
    Red blood cells — Stock Photo
    Red blood cells
    Directly above view of scientist using pipette and scales — Stock Photo
    Directly above view of scientist using pipette and scales
    Molecules of insulin circulating in the blood stream — Stock Photo
    Molecules of insulin circulating in the blood stream
    Close-up of light microscope lenses on white background. — Stock Photo
    Close-up of light microscope lenses on white background.
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Human brain cross-section — Stock Photo
    Human brain cross-section
    Cervical spine and blood supply system — Stock Photo
    Cervical spine and blood supply system
    Close-up of glass syringe with stand arranged on table in laboratory — Stock Photo
    Close-up of glass syringe with stand arranged on table in laboratory
    Structural anatomy of adult human — Stock Photo
    Structural anatomy of adult human
    Bacterial infection and reproducing bacteria — Stock Photo
    Bacterial infection and reproducing bacteria
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Adult female mosquito — Stock Photo
    Adult female mosquito
    Microscopic Dust mites on floor — Stock Photo
    Microscopic Dust mites on floor
    From above closed glass ampoules with scientific samples arranged in black foam rubber case in lab — Stock Photo
    From above closed glass ampoules with scientific samples arranged in black foam rubber case in lab
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Crop unrecognizable scientist with plant in plastic tube on green background in studio — Stock Photo
    Crop unrecognizable scientist with plant in plastic tube on green background in studio
    Portrait smiling female college student taking notes in science laboratory classroom — Stock Photo
    Portrait smiling female college student taking notes in science laboratory classroom
    Teenage girl performing experiment in chemistry lab — Stock Photo
    Teenage girl performing experiment in chemistry lab
    Microscopic dust mites colony — Stock Photo
    Microscopic dust mites colony
    Portrait smiling college students in science laboratory classroom — Stock Photo
    Portrait smiling college students in science laboratory classroom
    Close-up of pipette pipetting into test tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into test tubes in pathogenic laboratory.
    Adult Fly on a leaf — Stock Photo
    Adult Fly on a leaf
    Haemophilus ducreyi bacteria, digital illustration. — Stock Photo
    Haemophilus ducreyi bacteria, digital illustration.
    Internal brain anatomy — Stock Photo
    Internal brain anatomy
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Healthy teeth and gum — Stock Photo
    Healthy teeth and gum
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Space craft flying in starry galaxy in space, illustration. — Stock Photo
    Space craft flying in starry galaxy in space, illustration.
    Osteochondritis dissecans of the knee — Stock Photo
    Osteochondritis dissecans of the knee
    Doctors hands making a research in laboratory — Stock Photo
    Doctors hands making a research in laboratory
    Close-up of person hand holding pill in tweezers for pharmaceutical research. — Stock Photo
    Close-up of person hand holding pill in tweezers for pharmaceutical research.
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Circulating particles of antibodies — Stock Photo
    Circulating particles of antibodies
    Fertilization of human egg — Stock Photo
    Fertilization of human egg
    Coloured X-ray of the chest of a 52 year old female patient with metastatic (secondary) lung cancer (yellow). — Stock Photo
    Coloured X-ray of the chest of a 52 year old female patient with metastatic (secondary) lung cancer (yellow).
    Viral infection and viral particles — Stock Photo
    Viral infection and viral particles
    View of Fetus at 38 weeks — Stock Photo
    View of Fetus at 38 weeks
    Parasitic Bedbug on human skin — Stock Photo
    Parasitic Bedbug on human skin
    Illustration of HIV virus particles in human blood. — Stock Photo
    Illustration of HIV virus particles in human blood.
    Girl students conducting scientific experiment behind test tubes and bottles in laboratory classroom — Stock Photo
    Girl students conducting scientific experiment behind test tubes and bottles in laboratory classroom
    Healthy teeth and gum — Stock Photo
    Healthy teeth and gum
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Earth and the Sun — Stock Photo
    Earth and the Sun