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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.
    Crop anonymous doctor in medical glove demonstrating syringe with blood on white background — Stock Photo
    Crop anonymous doctor in medical glove demonstrating syringe with blood on white background
    Digital illustration of senior man anatomy showing heart. — Stock Photo
    Digital illustration of senior man anatomy showing heart.
    Healthcare worker sorting bags of blood — Stock Photo
    Healthcare worker sorting bags of blood
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Man holding a heart, computer illustration. — Stock Photo
    Man holding a heart, computer illustration.
    Human femur structural anatomy — Stock Photo
    Human femur structural anatomy
    Human heart against yellow background, illustration. — Stock Photo
    Human heart against yellow background, illustration.
    Illustration of human silhouette with painful heart. — Stock Photo
    Illustration of human silhouette with painful heart.
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Galettes with oranges and blood oranges — Stock Photo
    Galettes with oranges and blood oranges
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital 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.
    Female body with visible cardiovascular system, digital illustration — Stock Photo
    Female body with visible cardiovascular system, digital illustration
    Entamoeba histolytica engulfing red blood cells — Stock Photo
    Entamoeba histolytica engulfing red blood cells
    Illustration of heart tumour in male body silhouette on black background. — Stock Photo
    Illustration of heart tumour in male body silhouette on black background.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Close-up of a macrophage, illustration. — Stock Photo
    Close-up of a macrophage, illustration.
    Close-up of an active senior woman checking her blood sugar level with a glucometer on the bed in bedroom at home — Stock Photo
    Close-up of an active senior woman checking her blood sugar level with a glucometer on the bed in bedroom at home
    Close-up of vital signs of patient on monitor in intensive care ward. — Stock Photo
    Close-up of vital signs of patient on monitor in intensive care ward.
    Doctor taking blood sample from patient arm. — Stock Photo
    Doctor taking blood sample from patient arm.
    Ebola virus particles in blood, digital illustration. — Stock Photo
    Ebola virus particles in blood, digital illustration.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Various blood bags in blood bank — Stock Photo
    Various blood bags in blood bank
    Illustration of tick parasite crawling on human skin surface. — Stock Photo
    Illustration of tick parasite crawling on human skin surface.
    T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus — Stock Photo
    T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus
    Illustration of healthy and fatty heart on white background. — Stock Photo
    Illustration of healthy and fatty heart on white background.
    Male abdominal blood vessels, digital illustration. — Stock Photo
    Male abdominal blood vessels, digital illustration.
    Surgeon and nurse standing in operating room by metal table and working at covered patient in veterinary clinic — Stock Photo
    Surgeon and nurse standing in operating room by metal table and working at covered patient in veterinary clinic
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Illustration of HIV virus particles in human blood. — Stock Photo
    Illustration of HIV virus particles in human blood.
    Red sea water of Hormuz Island — Stock Photo
    Red sea water of Hormuz Island
    Erythrocytes red blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes red blood cells in human blood vessel, digital illustration.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Male back anatomy and skeletal system, computer illustration. — Stock Photo
    Male back anatomy and skeletal system, computer illustration.
    Vascular system and heart in male body, computer illustration. — Stock Photo
    Vascular system and heart in male body, computer illustration.
    Leech, coloured scanning electron micrograph (SEM). — Stock Photo
    Leech, coloured scanning electron micrograph (SEM).
    Senior man checking his blood sugar with glucometer at home — Stock Photo
    Senior man checking his blood sugar with glucometer at home
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system. — Stock Photo
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system.
    Stent and balloon catheter for implantation into blood vessel, digital illustration. — Stock Photo
    Stent and balloon catheter for implantation into blood vessel, digital illustration.
    Portrait of beautiful young mixed race female patient lying on bed with hands on stomach in the ward in hospital. Pulse oximetry is measuring the oxygen level in her blood. — Stock Photo
    Portrait of beautiful young mixed race female patient lying on bed with hands on stomach in the ward in hospital. Pulse oximetry is measuring the oxygen level in her blood.
    Close-up of beef meat ribs in industrial machine — Stock Photo
    Close-up of beef meat ribs in industrial machine
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    White blood cell, digital illustration. — Stock Photo
    White blood cell, digital illustration.
    Laboratory technician using digital tablet in blood bank — Stock Photo
    Laboratory technician using digital tablet in blood bank
    Close-up view of tubes with blood samples. — Stock Photo
    Close-up view of tubes with blood samples.
    3d illustration of lymphocytes attacking cancer cell in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cell in human body.
    Digital illustration of abnormal blood cells infected by hairy cell leukemia. — Stock Photo
    Digital illustration of abnormal blood cells infected by hairy cell leukemia.
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    Red blood cells — Stock Photo
    Red blood cells
    Coyotes around carcass — Stock Photo
    Coyotes around carcass
    3d rendered illustration of colored female heart in body silhouette. — Stock Photo
    3d rendered illustration of colored female heart in body silhouette.
    Human chorionic gonadotropin glycoprotein hormone, molecular structure. — Stock Photo
    Human chorionic gonadotropin glycoprotein hormone, molecular structure.
    Cut and whole Blood oranges in rustic metal colander — Stock Photo
    Cut and whole Blood oranges in rustic metal colander
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Nurse checking blood pressure of senior patient in hospital — Stock Photo
    Nurse checking blood pressure of senior patient in hospital
    Laboratory technicians analyzing blood sample in blood bank — Stock Photo
    Laboratory technicians analyzing blood sample in blood bank
    Red human heart on black background, computer illustration. — Stock Photo
    Red human heart on black background, computer illustration.