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    Hands of scientist using syringe and petri dish — Stock Photo
    Hands of scientist using syringe and petri dish
    Female scientist examining fluid in beaker, rear view — Stock Photo
    Female scientist examining fluid in beaker, rear view
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Conceptual image of a neuron on black background — Stock Photo
    Conceptual image of a neuron on black background
    Lysosome fusing with autophagosome — Stock Photo
    Lysosome fusing with autophagosome
    Destruction of cancer cell, digital conceptual illustration illustrating treatment of cancer by drugs, nanoparticles and antibodies. — Stock Photo
    Destruction of cancer cell, digital conceptual illustration illustrating treatment of cancer by drugs, nanoparticles and antibodies.
    Neurone embedded in grey matter — Stock Photo
    Neurone embedded in grey matter
    Medical illustration of human cell structure on white background. — Stock Photo
    Medical illustration of human cell structure on white background.
    Red blood cells — Stock Photo
    Red blood cells
    Light micrograph of a longitudinal section through filiform papillae on the tongue surface. — Stock Photo
    Light micrograph of a longitudinal section through filiform papillae on the tongue surface.
    Conceptual image of plasmodium causing malaria — Stock Photo
    Conceptual image of plasmodium causing malaria
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    African trypanosomiasis parasitic infection in the red blood cells — Stock Photo
    African trypanosomiasis parasitic infection in the red blood cells
    Conceptual image of a neuron on black background — Stock Photo
    Conceptual image of a neuron on black background
    Destruction of cancer cell — Stock Photo
    Destruction of cancer cell
    Human x chromosomes — Stock Photo
    Human x chromosomes
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Cilia covering the epithelial lining of the nasopharyx — Stock Photo
    Cilia covering the epithelial lining of the nasopharyx
    Coloured scanning electron micrograph (SEM) of Schizosaccharomyces pombe yeast. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Schizosaccharomyces pombe yeast.
    Destruction of cancer cell — Stock Photo
    Destruction of cancer cell
    Female researcher holding medium tray. — Stock Photo
    Female researcher holding medium tray.
    Conceptual image of a neurons with lightened axon — Stock Photo
    Conceptual image of a neurons with lightened axon
    Female scientist using pipette in laboratory — Stock Photo
    Female scientist using pipette in laboratory
    Lysosome fusing with autophagosome — Stock Photo
    Lysosome fusing with autophagosome
    Medical illustration of human cell structure on dark background. — Stock Photo
    Medical illustration of human cell structure on dark background.
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Lysosome fusing with autophagosome — Stock Photo
    Lysosome fusing with autophagosome
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    Cardiac muscle cells — Stock Photo
    Cardiac muscle cells
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    Conceptual image of a neuron on black background — Stock Photo
    Conceptual image of a neuron on black background
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple. — Stock Photo
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple.
    Abstract green colored cancer cell on black background, digital illustration. — Stock Photo
    Abstract green colored cancer cell on black background, digital illustration.
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Leucocyte cell capturing harmful bacteria, computer illustration. — Stock Photo
    Leucocyte cell capturing harmful bacteria, computer illustration.
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Nerves synapse, biological digital illustration. — Stock Photo
    Nerves synapse, biological digital illustration.
    Narrowed blood vessel, computer illustration. — Stock Photo
    Narrowed blood vessel, computer illustration.
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    Purkinje neurons in the cerebellum — Stock Photo
    Purkinje neurons in the cerebellum
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Uneven surface and cytoplasmic projections — Stock Photo
    Uneven surface and cytoplasmic projections
    3d illustration of red transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of red transparent sperm cells swimming towards egg cell.
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Antibiotic resistant Pseudomonas aeruginosa bacterium, digital 3d illustration. — Stock Photo
    Antibiotic resistant Pseudomonas aeruginosa bacterium, digital 3d illustration.
    Red blood cells and protein, digital illustration. — Stock Photo
    Red blood cells and protein, digital illustration.
    3d rendered illustration of human nerve cell on blue background. — Stock Photo
    3d rendered illustration of human nerve cell on blue background.
    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.
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Digital illustration of human cell anatomy. — Stock Photo
    Digital illustration of human cell anatomy.
    Cancer cell spreading, digital illustration. — Stock Photo
    Cancer cell spreading, digital illustration.
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, digital illustration.
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Structure of animal cell — Stock Photo
    Structure of animal cell
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Cancer cell with T-cell, — Stock Photo
    Cancer cell with T-cell,
    Illustration of leucocyte cell surrounded by antibodies on white background. — Stock Photo
    Illustration of leucocyte cell surrounded by antibodies on white background.