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    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    Adenocarcinoma of the thyroid gland — Stock Photo
    Adenocarcinoma of the thyroid gland
    Brain cancer, conceptual computer illustration — Stock Photo
    Brain cancer, conceptual computer illustration
    White blood cell structure — Stock Photo
    White blood cell structure
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    Synthetic biology with artificial cell, abstract digital conceptual illustration. — Stock Photo
    Synthetic biology with artificial cell, abstract digital conceptual illustration.
    Magnified digital illustration of monocyte cell. — Stock Photo
    Magnified digital illustration of monocyte cell.
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    Macrophage foam cell with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cell with lipid droplets, digital illustration.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans. — Stock Photo
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans.
    Microscopic cross section view of HIV virus — Stock Photo
    Microscopic cross section view of HIV virus
    Closeup of honey bees on wax honeycomb with hexagonal cells for apiary and beekeeping concept background — Stock Photo
    Closeup of honey bees on wax honeycomb with hexagonal cells for apiary and beekeeping concept background
    3d illustration of green cells pattern with red nuclei. — Stock Photo
    3d illustration of green cells pattern with red nuclei.
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Abstract human brain nerve cells, digital illustration. — Stock Photo
    Abstract human brain nerve cells, digital illustration.
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Illustration of blue cancer cell on blue background. — Stock Photo
    Illustration of blue cancer cell on blue background.
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Lymphocytes white blood cells, digital illustration. — Stock Photo
    Lymphocytes white blood cells, digital illustration.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Coloured scanning electron micrograph (SEM) of squamous epithelial cells on the skin surface. — Stock Photo
    Coloured scanning electron micrograph (SEM) of squamous epithelial cells on the skin surface.
    Magnified digital illustration of water bear. — Stock Photo
    Magnified digital illustration of water bear.
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Tumour tissue cells, digital illustration. — Stock Photo
    Tumour tissue cells, digital illustration.
    Fat cells structure, computer illustration. — Stock Photo
    Fat cells structure, computer illustration.
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Structure of animal cell — Stock Photo
    Structure of animal cell
    Cancer cell spreading, digital illustration. — Stock Photo
    Cancer cell spreading, digital illustration.
    Astrocyte glial nerve cell, digital illustration. — Stock Photo
    Astrocyte glial nerve cell, digital illustration.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Thyroid gland cancer with closeup view of cancer cells, computer illustration. — Stock Photo
    Thyroid gland cancer with closeup view of cancer cells, computer illustration.
    Digital illustration of pollen grain on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grain on anther of Chinese hibiscus flower.
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Human T-cell lymphotropic virus particle, digital conceptual illustration. — Stock Photo
    Human T-cell lymphotropic virus particle, digital conceptual illustration.
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Sperm cells, abstract digital illustration. — Stock Photo
    Sperm cells, abstract digital illustration.
    Abstract red colored cancer cell on white background, digital illustration. — Stock Photo
    Abstract red colored cancer cell on white background, digital illustration.
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Cell cultures under microscope in laboratory. — Stock Photo
    Cell cultures under microscope in laboratory.
    Tumour tissue cells, digital illustration. — Stock Photo
    Tumour tissue cells, digital illustration.
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Nerve cell, computer illustration — Stock Photo
    Nerve cell, computer illustration
    Cancer cell with filaments — Stock Photo
    Cancer cell with filaments
    Human blood cells — Stock Photo
    Human blood cells
    Animal cell with mitochondria, digital illustration. — Stock Photo
    Animal cell with mitochondria, digital illustration.
    Trachea (wind pipe) lining, coloured scanning electron micrograph (SEM). — Stock Photo
    Trachea (wind pipe) lining, coloured scanning electron micrograph (SEM).
    Nerve cell, computer illustration — Stock Photo
    Nerve cell, computer illustration
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.