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    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Illustration of human heart in body silhouette. — Stock Photo
    Illustration of human heart in body silhouette.
    Medical illustration of arteries, veins and lymphatic system with heart — Stock Photo
    Medical illustration of arteries, veins and lymphatic system with heart
    Blood ripe oranges with leaves — Stock Photo
    Blood ripe oranges with leaves
    Woman checking her blood pressure. — Stock Photo
    Woman checking her blood pressure.
    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Female body with heart attack, conceptual digital illustration. — Stock Photo
    Female body with heart attack, conceptual digital illustration.
    Medical illustration of human blood vessels of shoulder. — Stock Photo
    Medical illustration of human blood vessels of shoulder.
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal in hospital — Stock Photo
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal in hospital
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Blood vessels of the head, computer illustration — Stock Photo
    Blood vessels of the head, computer illustration
    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.
    Human body model showing female anatomy and blood vessels, digital 3d render illustration. — Stock Photo
    Human body model showing female anatomy and blood vessels, digital 3d render illustration.
    Illustration of single human blood cell on white background. — Stock Photo
    Illustration of single human blood cell on white background.
    Realistic human heart model on black background, computer illustration. — Stock Photo
    Realistic human heart model on black background, computer illustration.
    Human skin anatomy — Stock Photo
    Human skin anatomy
    Top view of crop unrecognizable doctor measuring blood oxygen of patient with heart rate monitor at table with stethoscope in clinic — Stock Photo
    Top view of crop unrecognizable doctor measuring blood oxygen of patient with heart rate monitor at table with stethoscope in clinic
    Abstract male body with visible lymphatic system of neck and heart, computer illustration. — Stock Photo
    Abstract male body with visible lymphatic system of neck and heart, computer illustration.
    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.
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital — Stock Photo
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital
    Cardiovascular system of an adult — Stock Photo
    Cardiovascular system of an adult
    Human body model showing male anatomy and blood vessels, digital illustration. — Stock Photo
    Human body model showing male anatomy and blood vessels, digital illustration.
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital — Stock Photo
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Close-up of hand of mature woman testing blood pressure with machine. — Stock Photo
    Close-up of hand of mature woman testing blood pressure with machine.
    Parasitic tick feeding — Stock Photo
    Parasitic tick feeding
    Vascular system of human head, computer illustration. — Stock Photo
    Vascular system of human head, computer illustration.
    Special effects makeup artist creating realistic leg and hand injuries. — Stock Photo
    Special effects makeup artist creating realistic leg and hand injuries.
    Illustration of heart in male body silhouette on white background. — Stock Photo
    Illustration of heart in male body silhouette on white background.
    Low angle view illustration of blue silhouette of obese woman with highlighted heart on black background. — Stock Photo
    Low angle view illustration of blue silhouette of obese woman with highlighted heart on black background.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    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.
    Pathological anatomy of Brain stoke — Stock Photo
    Pathological anatomy of Brain stoke
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Lymphocyte white blood cells in human lymphatic system, digital illustration. — Stock Photo
    Lymphocyte white blood cells in human lymphatic system, digital illustration.
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Butcher sharpening knife in butchers shop — Stock Photo
    Butcher sharpening knife in butchers shop
    Healthy female vascular system, computer illustration — Stock Photo
    Healthy female vascular system, computer illustration
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Collage of a lot of blue protection masks over yellow background zenith view — Stock Photo
    Collage of a lot of blue protection masks over yellow background zenith view
    Visual render of Human skin anatomy — Stock Photo
    Visual render of Human skin anatomy
    Donor blood being separated into component parts in bags. — Stock Photo
    Donor blood being separated into component parts in bags.
    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.
    Freshly picked blood dock on plate over wooden surface — Stock Photo
    Freshly picked blood dock on plate over wooden surface
    Head louse on human hair — Stock Photo
    Head louse on human hair
    Interaction between virus and dendritic cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses. They recognise incoming viruses and present their antigens to T cells. — Stock Photo
    Interaction between virus and dendritic cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses. They recognise incoming viruses and present their antigens to T cells.
    Scallops carpaccio with blood oranges — Stock Photo
    Scallops carpaccio with blood oranges
    Lymphocytes attacking viruses — Stock Photo
    Lymphocytes attacking viruses
    Test tubes with red liquid in rack. — Stock Photo
    Test tubes with red liquid in rack.
    Female doctor taking blood from senior male patient in clinic examination room — Stock Photo
    Female doctor taking blood from senior male patient in clinic examination room
    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.
    Digital illustration of balls of cholesterol lipids in blood vessel. — Stock Photo
    Digital illustration of balls of cholesterol lipids in blood vessel.
    Light microscope with petri dishes on blue background. — Stock Photo
    Light microscope with petri dishes on blue background.
    Petri dishes for DNA sequencing, close-up. — Stock Photo
    Petri dishes for DNA sequencing, close-up.
    Close-up of pipetting sample into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting sample into microcentrifuge tubes.
    Coloured angiogram (blood vessel X-ray) of the coronary arteries of a 52 year old patient. The artery at right has had a stent placed in it to treat a blockage. — Stock Photo
    Coloured angiogram (blood vessel X-ray) of the coronary arteries of a 52 year old patient. The artery at right has had a stent placed in it to treat a blockage.
    Hot apple punch — Stock Photo
    Hot apple punch