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    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration. — Stock Photo
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration.
    Rotavirus virus particles in the bloodstream — Stock Photo
    Rotavirus virus particles in the bloodstream
    Petri dishes with blood samples on plain background. — Stock Photo
    Petri dishes with blood samples on plain background.
    Orange and blood orange halves — Stock Photo
    Orange and blood orange halves
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Malaria-infected mosquito piercing skin and transmitting malaria parasites into bloodstream. — Stock Photo
    Malaria-infected mosquito piercing skin and transmitting malaria parasites into bloodstream.
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Digital artwork of white blood cells attacking illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking illuminated cancer cell.
    Illustration of tick parasite crawling on human skin surface. — Stock Photo
    Illustration of tick parasite crawling on human skin surface.
    Realistic overweight body model showing female anatomy on white background, computer illustration. — Stock Photo
    Realistic overweight body model showing female anatomy on white background, computer illustration.
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei. — Stock Photo
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei.
    Blood orange sorbet — Stock Photo
    Blood orange sorbet
    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.
    Leech, coloured scanning electron micrograph (SEM). — Stock Photo
    Leech, coloured scanning electron micrograph (SEM).
    Black pudding with onion toasts — Stock Photo
    Black pudding with onion toasts
    Illustration of CAR DNA modified T-cell immunotherapy process for cancer treatment. — Stock Photo
    Illustration of CAR DNA modified T-cell immunotherapy process for cancer treatment.
    Heart attack rendering — Stock Photo
    Heart attack rendering
    Structural anatomy of human pelvis — Stock Photo
    Structural anatomy of human pelvis
    Red human heart on black background, computer illustration. — Stock Photo
    Red human heart on black background, computer illustration.
    Doctor drawing blood — Stock Photo
    Doctor drawing blood
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood — Stock Photo
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Overhead view of a boy eating a blood orange and his dog sitting under the table — Stock Photo
    Overhead view of a boy eating a blood orange and his dog sitting under the table
    Antibodies attacking virus particles, computer illustration. — Stock Photo
    Antibodies attacking virus particles, computer illustration.
    Close-up of beef ribs in processing machine — Stock Photo
    Close-up of beef ribs in processing machine
    3d illustration of cancer cell attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cell attacked and killed by lymphocytes.
    Female doctor taking blood pressure of senior woman. — Stock Photo
    Female doctor taking blood pressure of senior woman.
    Still life of blood orange ice cream — Stock Photo
    Still life of blood orange ice cream
    Male head and neck anatomy and blood vessels, computer illustration. — Stock Photo
    Male head and neck anatomy and blood vessels, computer illustration.
    Male doctor examining female patient on sofa — Stock Photo
    Male doctor examining female patient on sofa
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Vascular system of human head, computer illustration. — Stock Photo
    Vascular system of human head, computer illustration.
    Blood orange with half — Stock Photo
    Blood orange with half
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Nanobot in bloodstream with red erythrocytes, digital illustration. — Stock Photo
    Nanobot in bloodstream with red erythrocytes, digital illustration.
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    3d illustrations of the human heart with lines demonstrating blood flow. — Stock Photo
    3d illustrations of the human heart with lines demonstrating blood flow.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Illustration of schistosoma blood fluke flatworm on black background. — Stock Photo
    Illustration of schistosoma blood fluke flatworm on black background.
    Nurse with Cerebral Palsy taking a patient's blood pressure in a clinic — Stock Photo
    Nurse with Cerebral Palsy taking a patient's blood pressure in a clinic
    Human leg structural anatomy — Stock Photo
    Human leg structural anatomy
    Various citrus fruit: mandarins, pink grapefruits, kumquats, oranges and blood oranges — Stock Photo
    Various citrus fruit: mandarins, pink grapefruits, kumquats, oranges and blood oranges
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Blood orange halves on a turquoise background — Stock Photo
    Blood orange halves on a turquoise background
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Digital anatomical illustration of arteries and veins in body of senior man. — Stock Photo
    Digital anatomical illustration of arteries and veins in body of senior man.
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    School aged boy dressed as Dracula posing in costume on Halloween — Stock Photo
    School aged boy dressed as Dracula posing in costume on Halloween
    Human blood cells — Stock Photo
    Human blood cells
    Male head and neck anatomy, digital illustration. — Stock Photo
    Male head and neck anatomy, digital illustration.
    Chinese doctor testing senior man blood pressure — Stock Photo
    Chinese doctor testing senior man blood pressure
    Healthy female vascular system, computer illustration — Stock Photo
    Healthy female vascular system, computer illustration
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood.
    Human blood cells — Stock Photo
    Human blood cells
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.