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    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Technician checking stem cell cultures in bioengineering laboratory. — Stock Photo
    Technician checking stem cell cultures in bioengineering laboratory.
    Undifferentiated stem cells — Stock Photo
    Undifferentiated stem cells
    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.
    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.
    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.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Illustration of pink stem cells on blue background. — Stock Photo
    Illustration of pink stem cells on blue background.
    Female researcher using micropipette and tubes in laboratory, close-up. — Stock Photo
    Female researcher using micropipette and tubes in laboratory, close-up.
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    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.
    Young female scientist viewing microscope during research. — Stock Photo
    Young female scientist viewing microscope during research.
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Biotechnology engineer inspecting cell culture flask. — Stock Photo
    Biotechnology engineer inspecting cell culture flask.
    Scientist viewing sample on glass slide under light microscope. — Stock Photo
    Scientist viewing sample on glass slide under light microscope.
    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.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    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.
    Digital illustration of human cells on blue background. — Stock Photo
    Digital illustration of human cells on blue background.
    Close-up of technician storing stem cell samples in cryostorage. — Stock Photo
    Close-up of technician storing stem cell samples in cryostorage.
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    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.
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Biology laboratory scientist hands working with cell culture in flask. — Stock Photo
    Biology laboratory scientist hands working with cell culture in flask.
    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.
    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).
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.
    Light micrograph of Dicot plants stem showing plant vascular tissue. — Stock Photo
    Light micrograph of Dicot plants stem showing plant vascular tissue.
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Scientist preparing cells in multiwell plate. — Stock Photo
    Scientist preparing cells in multiwell plate.
    Bone marrow stem cells dividing — Stock Photo
    Bone marrow stem cells dividing
    Stem cell research — Stock Photo
    Stem cell research
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Close Look At Anatomy Of Leaf — Stock Photo
    Close Look At Anatomy Of Leaf
    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.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Hands of female researcher using micropipette and tubes. — Stock Photo
    Hands of female researcher using micropipette and tubes.
    Dividing stem cells — Stock Photo
    Dividing stem cells
    Female scientist holding multi-well plate with growth medium. — Stock Photo
    Female scientist holding multi-well plate with growth medium.
    Stem cell research — Stock Photo
    Stem cell research
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Embryonic stem cells, illustration. — Stock Photo
    Embryonic stem cells, illustration.
    Digital illustration of human cells on blue background. — Stock Photo
    Digital illustration of human cells on blue background.
    Light micrograph of shoot meristem. This is the tissue in most plants containing undifferentiated cells. Meristematic cells give rise to various organs of a plant and are responsible for growth. — Stock Photo
    Light micrograph of shoot meristem. This is the tissue in most plants containing undifferentiated cells. Meristematic cells give rise to various organs of a plant and are responsible for growth.
    Close-up of technician storing stem cell samples in cryostorage. — Stock Photo
    Close-up of technician storing stem cell samples in cryostorage.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Illustration of pink stem cells on white background. — Stock Photo
    Illustration of pink stem cells on white background.
    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
    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
    Technician checking stem cell cultures in bioengineering laboratory. — Stock Photo
    Technician checking stem cell cultures in bioengineering laboratory.
    Digital artwork of round blue cells on plain background. — Stock Photo
    Digital artwork of round blue cells on plain background.