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    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Female cell biologist examining flask containing stem cells cultivated in red growth medium. — Stock Photo
    Female cell biologist examining flask containing stem cells cultivated in red growth medium.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Female scientist holding tray for stem cell research. — Stock Photo
    Female scientist holding tray for stem cell research.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Digital illustration of human cells on blue background. — Stock Photo
    Digital illustration of human cells on blue background.
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Biotechnology engineer inspecting cell culture flask. — Stock Photo
    Biotechnology engineer inspecting cell culture flask.
    Scientist viewing sample on glass slide before light microscope. — Stock Photo
    Scientist viewing sample on glass slide before light microscope.
    Scientist preparing cells in multiwell plate. — Stock Photo
    Scientist preparing cells in multiwell plate.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Female researcher using light microscope for examining stem cells in culture jar. — Stock Photo
    Female researcher using light microscope for examining stem cells in culture jar.
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Young female scientist viewing microscope during research. — Stock Photo
    Young female scientist viewing microscope during research.
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Technician checking stem cell cultures in bioengineering laboratory. — Stock Photo
    Technician checking stem cell cultures in bioengineering laboratory.
    Digital illustration of human cells on blue background. — Stock Photo
    Digital illustration of human cells on blue background.
    Human embryonic stem cells, digital illustration. — Stock Photo
    Human embryonic stem cells, digital illustration.
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Close-up of hands of female scientist working in laboratory with pipette and flask. — Stock Photo
    Close-up of hands of female scientist working in laboratory with pipette and flask.
    Digital illustration of human cells on blue background. — Stock Photo
    Digital illustration of human cells on blue background.
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Female biologist holding flask containing stem cells. — Stock Photo
    Female biologist holding flask containing stem cells.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Light micrograph of a cross sections of monocot stem. — Stock Photo
    Light micrograph of a cross sections of monocot stem.
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes
    Female cell biologist placing flask containing stem cells cultivated in red growth medium under microscope. — Stock Photo
    Female cell biologist placing flask containing stem cells cultivated in red growth medium under microscope.
    Bone marrow stem cells dividing — Stock Photo
    Bone marrow stem cells dividing
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Human embryonic stem cells in Petri dish, digital illustration. — Stock Photo
    Human embryonic stem cells in Petri dish, digital illustration.
    Stem cell research — Stock Photo
    Stem cell research
    Stem cell research — Stock Photo
    Stem cell research
    Biology laboratory scientist hands working with cell culture in flask. — Stock Photo
    Biology laboratory scientist hands working with cell culture in flask.
    Scientist holding multi-well plate with growth medium. — Stock Photo
    Scientist holding multi-well plate with growth medium.
    Female researcher using micropipette and tubes in laboratory, close-up. — Stock Photo
    Female researcher using micropipette and tubes in laboratory, close-up.
    Technician checking stem cell cultures in bioengineering laboratory. — Stock Photo
    Technician checking stem cell cultures in bioengineering laboratory.
    Bag containing donated human blood, placenta and umbilical cord. — Stock Photo
    Bag containing donated human blood, placenta and umbilical cord.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Close-up of technician storing stem cell samples in cryostorage. — Stock Photo
    Close-up of technician storing stem cell samples in cryostorage.
    Female scientist holding multi-well plate with growth medium. — Stock Photo
    Female scientist holding multi-well plate with growth medium.
    Scientist holding multi-well plate with growth medium. — Stock Photo
    Scientist holding multi-well plate with growth medium.
    Scientist viewing sample on glass slide under light microscope. — Stock Photo
    Scientist viewing sample on glass slide under light microscope.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.