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    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    Insulin binding to insulin receptor — Stock Photo
    Insulin binding to insulin receptor
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Fertilization showing sperm fertilizing an egg — Stock Photo
    Fertilization showing sperm fertilizing an egg
    Structure of animal cell — Stock Photo
    Structure of animal cell
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Platelets in human blood, computer illustration. — Stock Photo
    Platelets in human blood, computer illustration.
    Medical illustration of human cell structure on black background. — Stock Photo
    Medical illustration of human cell structure on black background.
    Mast cell releasing histamine during allergic response, digital illustration. — Stock Photo
    Mast cell releasing histamine during allergic response, digital illustration.
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Red blood cells — Stock Photo
    Red blood cells
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Illustration of fertilized human egg cell. — Stock Photo
    Illustration of fertilized human egg cell.
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Illustration of human multi-cellular embryo. — Stock Photo
    Illustration of human multi-cellular embryo.
    Technician carrying equipment and solution in sterile laboratory. — Stock Photo
    Technician carrying equipment and solution in sterile laboratory.
    3d illustration of blue cells pattern with red nuclei. — Stock Photo
    3d illustration of blue cells pattern with red nuclei.
    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.
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is red. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (black) contain enzymes for digesting foreign particles. — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is red. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (black) contain enzymes for digesting foreign particles.
    Lysosome fusing with autophagosome — Stock Photo
    Lysosome fusing with autophagosome
    Tetrahydrocannabinol cells binding to cannabinoid receptors, illustration — Stock Photo
    Tetrahydrocannabinol cells binding to cannabinoid receptors, illustration
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Lymphocytes attacking a cancer cell — Stock Photo
    Lymphocytes attacking a cancer cell
    3d illustration of leukocyte cells secreting allergen antibodies while allergy. — Stock Photo
    3d illustration of leukocyte cells secreting allergen antibodies while allergy.
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    Human T-cell lymphotropic virus particle, digital conceptual illustration. — Stock Photo
    Human T-cell lymphotropic virus particle, digital conceptual illustration.
    Digital illustration of cell in early stage of programmed cell death. — Stock Photo
    Digital illustration of cell in early stage of programmed cell death.
    Stages of autophagy mechanism — Stock Photo
    Stages of autophagy mechanism
    Rod-shaped Anthrax bacteria — Stock Photo
    Rod-shaped Anthrax bacteria
    White blood cells and proteins, digital illustration. — Stock Photo
    White blood cells and proteins, digital illustration.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Illustration of transparent cancer cell on blue background. — Stock Photo
    Illustration of transparent cancer cell on blue background.
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    Normal human arteries, — Stock Photo
    Normal human arteries,
    Dividing cancerous cells — Stock Photo
    Dividing cancerous cells
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Ascaris Roundworm ovaries — Stock Photo
    Ascaris Roundworm ovaries
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration
    Human nerve structure in cross section, digital illustration. — Stock Photo
    Human nerve structure in cross section, digital illustration.
    Coloured scanning electron micrograph of breast cancer cell. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cell.
    Chromosomes during cell division — Stock Photo
    Chromosomes during cell division
    Magnified digital illustration of macrophage cell. — Stock Photo
    Magnified digital illustration of macrophage cell.
    Red blood cells — Stock Photo
    Red blood cells
    Cardiac muscle cells — Stock Photo
    Cardiac muscle cells
    Abstract green colored cancer cell on tissue, digital illustration. — Stock Photo
    Abstract green colored cancer cell on tissue, digital illustration.
    In vitro fertilisation process — Stock Photo
    In vitro fertilisation process
    Digital illustration of human nerve cell with dendrites. — Stock Photo
    Digital illustration of human nerve cell with dendrites.
    Parasites attacking female egg cell, digital illustration. — Stock Photo
    Parasites attacking female egg cell, digital illustration.
    Colored digital illustration of green cancer cell. — Stock Photo
    Colored digital illustration of green cancer cell.
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases — Stock Photo
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Lymphocyte white blood cell — Stock Photo
    Lymphocyte white blood cell
    Human brain with connections showing activity, conceptual illustration. — Stock Photo
    Human brain with connections showing activity, conceptual illustration.