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    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Red blood cells, abstract digital illustration. — Stock Photo
    Red blood cells, abstract digital illustration.
    Colorectal cancer cell — Stock Photo
    Colorectal cancer cell
    Trachea (wind pipe) lining, coloured scanning electron micrograph (SEM). — Stock Photo
    Trachea (wind pipe) lining, coloured scanning electron micrograph (SEM).
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Female scientist holding multi-well plate with growth medium. — Stock Photo
    Female scientist holding multi-well plate with growth medium.
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration.
    3d rendered abstract illustration of blue nerve cell. — Stock Photo
    3d rendered abstract illustration of blue nerve cell.
    Cancer cell clinging to human colon tissue, conceptual illustration. — Stock Photo
    Cancer cell clinging to human colon tissue, conceptual illustration.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Zika virus particle, computer illustration. — Stock Photo
    Zika virus particle, computer illustration.
    Bacteriophage on blue background, digital illustration. — Stock Photo
    Bacteriophage on blue background, digital illustration.
    Illustration of a 8 cell stage egg on black background. — Stock Photo
    Illustration of a 8 cell stage egg on black background.
    Nerve cell, computer illustration — Stock Photo
    Nerve cell, computer illustration
    Oesophageal cancer, composite digital illustration with human body and cancer cell. — Stock Photo
    Oesophageal cancer, composite digital illustration with human body and cancer cell.
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli. — Stock Photo
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Visual rendering of Sleeping sickness — Stock Photo
    Visual rendering of Sleeping sickness
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Nerves synapse, biological digital illustration. — Stock Photo
    Nerves synapse, biological digital illustration.
    Nerve cells and intercellular junctions — Stock Photo
    Nerve cells and intercellular junctions
    Molecular models of antibody structures, digital illustration. — Stock Photo
    Molecular models of antibody structures, digital illustration.
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital illustration.
    Multicellular organism visualization — Stock Photo
    Multicellular organism visualization
    Adenocarcinoma of the endometrium — Stock Photo
    Adenocarcinoma of the endometrium
    Healthy red and white blood cells — Stock Photo
    Healthy red and white blood cells
    Lymphocytes attacking a cancer cell — Stock Photo
    Lymphocytes attacking a cancer cell
    Cell membrane, illustration, colorful image — Stock Photo
    Cell membrane, illustration, colorful image
    Astrocyte glial nerve cell, digital illustration. — Stock Photo
    Astrocyte glial nerve cell, digital illustration.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept. — Stock Photo
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept.
    Antibody blocking programmed cell death, illustration. — Stock Photo
    Antibody blocking programmed cell death, illustration.
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres. — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres.
    Rancher Talking On Cell Phone — Stock Photo
    Rancher Talking On Cell Phone
    Colored scanning electron micrograph of stem cell-derived motor neuron cell. — Stock Photo
    Colored scanning electron micrograph of stem cell-derived motor neuron cell.
    Apoptosis of neuron cell — Stock Photo
    Apoptosis of neuron cell
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Nerve cell, computer illustration — Stock Photo
    Nerve cell, computer illustration
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    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.
    Nerve cell on black background, digital illustration. — Stock Photo
    Nerve cell on black background, digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Virus particles spreading through blood stream — Stock Photo
    Virus particles spreading through blood stream
    Scientist holding multi-well plate with growth medium. — Stock Photo
    Scientist holding multi-well plate with growth medium.
    Scientific illustration of influenza virus particle. — Stock Photo
    Scientific illustration of influenza virus particle.
    Technician collecting equipment from transfer hatch in sterile laboratory. — Stock Photo
    Technician collecting equipment from transfer hatch in sterile laboratory.
    Neural network showing synaptic terminals — Stock Photo
    Neural network showing synaptic terminals
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample. — Stock Photo
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample.
    Human white blood cell — Stock Photo
    Human white blood cell
    In vitro fertilisation process — Stock Photo
    In vitro fertilisation process
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    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.
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Scientist preparing cells in multiwell plate. — Stock Photo
    Scientist preparing cells in multiwell plate.