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    Cholesterol in human blood, digital illustration. — Stock Photo
    Cholesterol in human blood, digital illustration.
    Anatomy of human neck — Stock Photo
    Anatomy of human neck
    Cropped shot of physician using stethoscope on patient's hand — Stock Photo
    Cropped shot of physician using stethoscope on patient's hand
    SARS-CoV-2 viruses and activated neutrophils, conceptual computer illustration — Stock Photo
    SARS-CoV-2 viruses and activated neutrophils, conceptual computer illustration
    Close-up of laboratory technician using machine in blood bank — Stock Photo
    Close-up of laboratory technician using machine in blood bank
    Dendritic cell, computer illustration. A dendritic cell is a type of white blood cell. It is an antigen-presenting cell (APC), which presents antigens to T lymphocytes. — Stock Photo
    Dendritic cell, computer illustration. A dendritic cell is a type of white blood cell. It is an antigen-presenting cell (APC), which presents antigens to T lymphocytes.
    Human structural anatomy — Stock Photo
    Human structural anatomy
    Cross-section of human skin with hair follicle, digital illustration. — Stock Photo
    Cross-section of human skin with hair follicle, digital illustration.
    Medical illustration of human neck blood vessels. — Stock Photo
    Medical illustration of human neck blood vessels.
    Female body with visible cardiovascular system, digital illustration — Stock Photo
    Female body with visible cardiovascular system, digital illustration
    Vascular system of female upper body, computer illustration. — Stock Photo
    Vascular system of female upper body, computer illustration.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Half blood orange — Stock Photo
    Half blood orange
    Human heart anatomy — Stock Photo
    Human heart anatomy
    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    Human bronchi and heart, illustration — Stock Photo
    Human bronchi and heart, illustration
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration.
    Illustration of three bypasses in human heart. — Stock Photo
    Illustration of three bypasses in human heart.
    Realistic human heart model on black background, computer illustration. — Stock Photo
    Realistic human heart model on black background, computer illustration.
    Male head and neck anatomy, digital illustration. — Stock Photo
    Male head and neck anatomy, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Fresh blood oranges and drinking glasses — Stock Photo
    Fresh blood oranges and drinking glasses
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    Veggie bowl with lentils, salad leaves and pumpkin — Stock Photo
    Veggie bowl with lentils, salad leaves and pumpkin
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Ebola virus in blood and close-up of virions, digital illustration. — Stock Photo
    Ebola virus in blood and close-up of virions, digital illustration.
    Transparent female body silhouette with yellow colored spleen, digital illustration. — Stock Photo
    Transparent female body silhouette with yellow colored spleen, digital illustration.
    Illustration of lymphocytosis, showing abundant white blood cells inside blood vessel. — Stock Photo
    Illustration of lymphocytosis, showing abundant white blood cells inside blood vessel.
    Illustration of single human blood cell on black background. — Stock Photo
    Illustration of single human blood cell on black background.
    Light micrograph of human red blood cells (erythrocytes), with two unidentified white blood cells (leucocytes) near the centre. — Stock Photo
    Light micrograph of human red blood cells (erythrocytes), with two unidentified white blood cells (leucocytes) near the centre.
    Active CAR T-cells cancer immunotherapy, medical illustration. — Stock Photo
    Active CAR T-cells cancer immunotherapy, medical illustration.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Chest, neck and head arteries — Stock Photo
    Chest, neck and head arteries
    3d illustration of violet bacteria on blue surface. — Stock Photo
    3d illustration of violet bacteria on blue surface.
    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
    Blood vessels of the brain — Stock Photo
    Blood vessels of the brain
    Male upper body anatomy and internal organs, computer illustration. — Stock Photo
    Male upper body anatomy and internal organs, computer illustration.
    Male pelvis anatomy, digital illustration. — Stock Photo
    Male pelvis anatomy, digital illustration.
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    Male vascular system — Stock Photo
    Male vascular system
    Illustration of two bypasses in human heart. — Stock Photo
    Illustration of two bypasses in human heart.
    Low angle rear view of human silhouette showing male anatomy, digital illustration. — Stock Photo
    Low angle rear view of human silhouette showing male anatomy, digital illustration.
    Cropped shot of physician measuring patient'd blood pressure with tonometer — Stock Photo
    Cropped shot of physician measuring patient'd blood pressure with tonometer
    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.
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal against heart rate monitor in hospital — Stock Photo
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal against heart rate monitor in hospital
    Close-up of external filter for treatment of patient with kidney failure. — Stock Photo
    Close-up of external filter for treatment of patient with kidney failure.
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Nudaurelia capensis omega virus particles — Stock Photo
    Nudaurelia capensis omega virus particles
    Salad platter with quinoa, chickpeas, yellow pepper, walnuts, red cabbage and blood orange — Stock Photo
    Salad platter with quinoa, chickpeas, yellow pepper, walnuts, red cabbage and blood orange
    Human papillomavirus particles in the bloodstream — Stock Photo
    Human papillomavirus particles in the bloodstream
    Female doctor teaching senior patient how to use glucometer in doctors office — Stock Photo
    Female doctor teaching senior patient how to use glucometer in doctors office
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.