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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.
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration — Stock Photo
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration
    Purple Macrophage, computer illustration — Stock Photo
    Purple Macrophage, computer illustration
    Injured woman treated by paramedic at accident spot — Stock Photo
    Injured woman treated by paramedic at accident spot
    Laboratory technicians working together in blood bank — Stock Photo
    Laboratory technicians working together in blood bank
    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
    Blue single-use mask for virus protection on yellow background — Stock Photo
    Blue single-use mask for virus protection on yellow background
    Computer illustration of a blood clot inside vein, known as venous thrombus. — Stock Photo
    Computer illustration of a blood clot inside vein, known as venous thrombus.
    Close-up view of Gecko sitting on a snail, Indonesia — Stock Photo
    Close-up view of Gecko sitting on a snail, Indonesia
    Low angle view illustration of blue silhouette of obese woman with highlighted heart. — Stock Photo
    Low angle view illustration of blue silhouette of obese woman with highlighted heart.
    Human heart model on white background, computer illustration. — Stock Photo
    Human heart model on white background, computer illustration.
    Adult male structural anatomy — Stock Photo
    Adult male structural anatomy
    Human brain with network of blood vessels — Stock Photo
    Human brain with network of blood vessels
    Arteries of the human brain — Stock Photo
    Arteries of the human brain
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Large thrombus formation — Stock Photo
    Large thrombus formation
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Red sea water of Hormuz Island — Stock Photo
    Red sea water of Hormuz Island
    Mid section of butcher preparing a chicken and steak roll in butchers shop — Stock Photo
    Mid section of butcher preparing a chicken and steak roll in butchers shop
    Elder man checking his arterial pressure with machine — Stock Photo
    Elder man checking his arterial pressure with machine
    Neutrophil white blood cell in blood, digital artwork. — Stock Photo
    Neutrophil white blood cell in blood, digital artwork.
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital 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.
    Galettes with oranges and blood oranges — Stock Photo
    Galettes with oranges and blood oranges
    Headache, computer illustration. A male body, with skeleton, holding its head in pain — Stock Photo
    Headache, computer illustration. A male body, with skeleton, holding its head in pain
    Chinese doctor testing senior man blood pressure — Stock Photo
    Chinese doctor testing senior man blood pressure
    Red blood cells (erythrocytes) in a blood vessel, illustration. — Stock Photo
    Red blood cells (erythrocytes) in a blood vessel, illustration.
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    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
    T-cells (turquoise) surrounding a tumour (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) surrounding a tumour (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
    Closeup set of medical flasks with blood samples arranged in container in modern hospital laboratory — Stock Photo
    Closeup set of medical flasks with blood samples arranged in container in modern hospital laboratory
    Activated platelets, computer illustration — Stock Photo
    Activated platelets, computer illustration
    Transparent body model showing male anatomy and internal organs, digital illustration. — Stock Photo
    Transparent body model showing male anatomy and internal organs, digital illustration.
    Injured woman treated by paramedic at accident spot — Stock Photo
    Injured woman treated by paramedic at accident spot
    From above of crop female nurse in protective gloves with bag of blood in hand working with patient during procedure of blood donation in modern medical center — Stock Photo
    From above of crop female nurse in protective gloves with bag of blood in hand working with patient during procedure of blood donation in modern medical center
    Blood vessels of the head, computer illustration — Stock Photo
    Blood vessels of the head, computer illustration
    Illustration of single human blood cell on white background. — Stock Photo
    Illustration of single human blood cell on white background.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Realistic body model showing female anatomy on white background, computer illustration. — Stock Photo
    Realistic body model showing female anatomy on white background, computer illustration.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Computer illustration of neutrophil white blood cell chasing bacteria in blood stream. — Stock Photo
    Computer illustration of neutrophil white blood cell chasing bacteria in blood stream.
    Digital illustration of balls of cholesterol lipids in blood vessel. — Stock Photo
    Digital illustration of balls of cholesterol lipids in blood vessel.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    3d illustration of white blood cells leukocytes secreting antibodies in human body. — Stock Photo
    3d illustration of white blood cells leukocytes secreting antibodies in human body.
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Variety of fruits in wooden boxes at supermarket — Stock Photo
    Variety of fruits in wooden boxes at supermarket
    Transparent female body silhouette with yellow colored spleen, digital illustration. — Stock Photo
    Transparent female body silhouette with yellow colored spleen, digital illustration.
    Bags of donated blood in laboratory. — Stock Photo
    Bags of donated blood in laboratory.
    Female heart and vascular system, digital illustration. — Stock Photo
    Female heart and vascular system, 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.
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    Realistic human heart and blood vessels on white background, digital illustration. — Stock Photo
    Realistic human heart and blood vessels on white background, digital illustration.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Visual rendering of Sleeping sickness — Stock Photo
    Visual rendering of Sleeping sickness
    Deflated and inflated stents and balloon catheters, digital illustration. — Stock Photo
    Deflated and inflated stents and balloon catheters, digital illustration.
    Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood.
    Front view of frog — Stock Photo
    Front view of frog
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Vascular system of female upper body, computer illustration. — Stock Photo
    Vascular system of female upper body, computer illustration.