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    Scientist examining specimen under microscope during clinical trial in laboratory. — Stock Photo
    Scientist examining specimen under microscope during clinical trial in laboratory.
    Scientist viewing medical sample on glass slide under microscope in laboratory. — Stock Photo
    Scientist viewing medical sample on glass slide under microscope in laboratory.
    Scientist viewing medical sample on glass slide under microscope in laboratory. — Stock Photo
    Scientist viewing medical sample on glass slide under microscope in laboratory.
    Scientist viewing sample on glass slide before light microscope. — Stock Photo
    Scientist viewing sample on glass slide before light microscope.
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Illustration of pink human egg cell on black background. — Stock Photo
    Illustration of pink human egg cell on black background.
    Close-up of rack of cell cultures in bottles in laboratory. — Stock Photo
    Close-up of rack of cell cultures in bottles in laboratory.
    Female scientist holding multi-well plate with growth medium. — Stock Photo
    Female scientist holding multi-well plate with growth medium.
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus. — Stock Photo
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus.
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Stem cell research — Stock Photo
    Stem cell research
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    3d illustration of in vitro fertilization of egg cell. — Stock Photo
    3d illustration of in vitro fertilization of egg cell.
    3d illustration of aligned cells with red cell in middle. — Stock Photo
    3d illustration of aligned cells with red cell in middle.
    Adipose tissue composed of adipocytes — Stock Photo
    Adipose tissue composed of adipocytes
    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 preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Illustration of fertilized human egg cell. — Stock Photo
    Illustration of fertilized human egg cell.
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    3d illustration of cancer cells attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cells attacked and killed by lymphocytes.
    Synthetic biology with artificial cell, abstract digital conceptual illustration. — Stock Photo
    Synthetic biology with artificial cell, abstract digital conceptual illustration.
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph. — Stock Photo
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph.
    3d illustration of transparent and colourful protozoa. — Stock Photo
    3d illustration of transparent and colourful protozoa.
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic — Stock Photo
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic
    Female scientist in clean suit with test tubes studying coronavirus — Stock Photo
    Female scientist in clean suit with test tubes studying coronavirus
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Stem cell research — Stock Photo
    Stem cell research
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    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.
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    3d illustration of signals transmitting nerve cells. — Stock Photo
    3d illustration of signals transmitting nerve cells.
    Close-up of rack of cell cultures in tubes in laboratory. — Stock Photo
    Close-up of rack of cell cultures in tubes in laboratory.
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Transparent sperm cells moving towards round blue coloured egg cell. — Stock Photo
    Transparent sperm cells moving towards round blue coloured egg cell.
    Migrating breast cancer cell, digital 3d illustration. — Stock Photo
    Migrating breast cancer cell, digital 3d illustration.
    Undifferentiated stem cells — Stock Photo
    Undifferentiated stem cells
    3d illustration of red cells pattern, full frame. — Stock Photo
    3d illustration of red cells pattern, full frame.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    3d illustration of cell division, cell membrane and splitting red nucleus. — Stock Photo
    3d illustration of cell division, cell membrane and splitting red nucleus.
    Illustration of sperm fertilizing human egg cell. — Stock Photo
    Illustration of sperm fertilizing human egg cell.
    Close-up of cell culture plates on white background. — Stock Photo
    Close-up of cell culture plates on white background.
    3d illustration of transparent cells with nuclei on yellow background. — Stock Photo
    3d illustration of transparent cells with nuclei on yellow background.
    Illustration of dividing human egg cell. — Stock Photo
    Illustration of dividing human egg cell.
    Illustration of pink stem cells on blue background. — Stock Photo
    Illustration of pink stem cells on blue background.
    Scientist in clean suit researching coronavirus in laboratory — Stock Photo
    Scientist in clean suit researching coronavirus in laboratory
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Nerve cells and axon connections — Stock Photo
    Nerve cells and axon connections
    Migrating breast cancer cell, digital 3d illustration. — Stock Photo
    Migrating breast cancer cell, digital 3d illustration.
    Teen girl laying in hammock playing on cell phone — Stock Photo
    Teen girl laying in hammock playing on cell phone
    Police forensic analyst examining with magnifying glass confiscated mobile phone. — Stock Photo
    Police forensic analyst examining with magnifying glass confiscated mobile phone.
    Spherical and rod-shaped bacteria inside biofilm, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, digital illustration.
    Woman using microscope near colleagues in laboratory — Stock Photo
    Woman using microscope near colleagues in laboratory
    Digital 3d colored illustration of cancer cell in process of mitosis. — Stock Photo
    Digital 3d colored illustration of cancer cell in process of mitosis.
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Scientist pipetting sample into growth medium in multiwell plate. — Stock Photo
    Scientist pipetting sample into growth medium in multiwell plate.
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph. — Stock Photo
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph.
    Scientist holding multi-well plate with growth medium. — Stock Photo
    Scientist holding multi-well plate with growth medium.
    Illustration of 2 cell stage egg on blue background. — Stock Photo
    Illustration of 2 cell stage egg on blue background.