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    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, 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
    Low angle on blood vessels of human upper body, digital illustration. — Stock Photo
    Low angle on blood vessels of human upper body, digital illustration.
    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.
    Blood vessels of the knee, computer illustration — Stock Photo
    Blood vessels of the knee, computer illustration
    Heart attack in human body, conceptual illustration. — Stock Photo
    Heart attack in human body, conceptual illustration.
    3d illustration showing increase of non-functional white blood cells in leukaemia. — Stock Photo
    3d illustration showing increase of non-functional white blood cells in leukaemia.
    Female back anatomy and blood vessels, computer illustration. — Stock Photo
    Female back anatomy and blood vessels, computer illustration.
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    Human anatomical structure — Stock Photo
    Human anatomical structure
    Blood vessels of human head and neck, digital illustration. — Stock Photo
    Blood vessels of human head and neck, digital illustration.
    Sickle cell anemia — Stock Photo
    Sickle cell anemia
    Anatomy of male urinary system — Stock Photo
    Anatomy of male urinary system
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Normal and healthy abdomen anatomy — Stock Photo
    Normal and healthy abdomen anatomy
    Male back anatomy and skeletal system, computer illustration. — Stock Photo
    Male back anatomy and skeletal system, computer illustration.
    Female upper body anatomy and internal organs, computer illustration. — Stock Photo
    Female upper body anatomy and internal organs, computer illustration.
    Illustration of tick parasite crawling on human skin surface. — Stock Photo
    Illustration of tick parasite crawling on human skin surface.
    Human body model showing male anatomy and blood vessels, digital illustration. — Stock Photo
    Human body model showing male anatomy and blood vessels, digital illustration.
    Cells trapped in fibrin protein mesh — Stock Photo
    Cells trapped in fibrin protein mesh
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Cervical spine and blood supply system — Stock Photo
    Cervical spine and blood supply system
    Illustration of lymphocytosis, showing abundant white blood cells inside blood vessel. — Stock Photo
    Illustration of lymphocytosis, showing abundant white blood cells inside blood vessel.
    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.
    Vascular system of female upper body, computer illustration. — Stock Photo
    Vascular system of female upper body, computer 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 upper body anatomy and musculature, computer illustration. — Stock Photo
    Male upper body anatomy and musculature, computer illustration.
    Activated blood cell fragments platelets, coloured scanning electron micrograph. — Stock Photo
    Activated blood cell fragments platelets, coloured scanning electron micrograph.
    Female vascular system, computer illustration. — Stock Photo
    Female vascular system, computer illustration.
    Male back anatomy and skeletal system, computer illustration. — Stock Photo
    Male back anatomy and skeletal system, computer illustration.
    Male head and neck anatomy and blood vessels, computer illustration. — Stock Photo
    Male head and neck anatomy and blood vessels, computer 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.
    Illustration of transparent blue silhouette of male body with colored heart. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored heart.
    Immune response to cancer — Stock Photo
    Immune response to cancer
    Medical illustration of human blood vessels of legs. — Stock Photo
    Medical illustration of human blood vessels of legs.
    Female body with visible heart, computer illustration. — Stock Photo
    Female body with visible heart, computer illustration.
    Human heart and its electrical system, 3d illustration. The yellow lines demonstrate the electrical (conduction) system of the heart. The heart at right shows an irregular heartbeat (arrhythmia) and atrial fibrillation. — Stock Photo
    Human heart and its electrical system, 3d illustration. The yellow lines demonstrate the electrical (conduction) system of the heart. The heart at right shows an irregular heartbeat (arrhythmia) and atrial fibrillation.
    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.
    Transparent female body silhouette with yellow colored spleen, digital illustration. — Stock Photo
    Transparent female body silhouette with yellow colored spleen, 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.
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Transparent female body silhouette with yellow colored spleen, digital illustration. — Stock Photo
    Transparent female body silhouette with yellow colored spleen, digital illustration.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Female body with visible cardiovascular system, digital illustration. — Stock Photo
    Female body with visible cardiovascular system, digital illustration.
    Lymphocyte, monocyte and neutrophil white blood cells in blood smear, digital illustration. — Stock Photo
    Lymphocyte, monocyte and neutrophil white blood cells in blood smear, digital illustration.
    Bacterial infection spreading in bloodstream — Stock Photo
    Bacterial infection spreading in bloodstream
    White blood cells with red blood cells, computer illustration. — Stock Photo
    White blood cells with red blood cells, computer illustration.
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Vascular system of human head, computer illustration. — Stock Photo
    Vascular system of human head, computer illustration.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Female upper body anatomy and internal organs, computer illustration. — Stock Photo
    Female upper body anatomy and internal organs, computer illustration.
    Illustration of cross section of human skin with hair follicles and blood vessels. — Stock Photo
    Illustration of cross section of human skin with hair follicles and blood vessels.
    Red blood cells — Stock Photo
    Red blood cells
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Vascular system of human head, computer illustration. — Stock Photo
    Vascular system of human head, computer illustration.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Heart disease in female body, conceptual digital illustration. — Stock Photo
    Heart disease in female body, conceptual digital illustration.