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320 results

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    Cardiovascular system showing veins and arteries — Stock Photo
    Cardiovascular system showing veins and arteries
    Red blood cells in an artery — Stock Photo
    Red blood cells in an artery
    Medical illustration of artificial heart valve. — Stock Photo
    Medical illustration of artificial heart valve.
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Shoulder blood supply — Stock Photo
    Shoulder blood supply
    Upper-body anatomy of adult male — Stock Photo
    Upper-body anatomy of adult male
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia. — Stock Photo
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia.
    Sickle cell anemia — Stock Photo
    Sickle cell anemia
    Normal human arteries, — Stock Photo
    Normal human arteries,
    Human veins anatomy — Stock Photo
    Human veins anatomy
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Normal cardiovascular system — Stock Photo
    Normal cardiovascular system
    Red blood cells — Stock Photo
    Red blood cells
    Illustration of heart and circulatory system. — Stock Photo
    Illustration of heart and circulatory system.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red).
    Internal organs, circulatory and nervous systems — Stock Photo
    Internal organs, circulatory and nervous systems
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Nanomachines working on red blood cells, digital illustration. — Stock Photo
    Nanomachines working on red blood cells, 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.
    Narrowed artery causing atherosclerosis — Stock Photo
    Narrowed artery causing atherosclerosis
    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.
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte. — Stock Photo
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte.
    Pathological anatomy of Stroke — Stock Photo
    Pathological anatomy of Stroke
    Red blood cells — Stock Photo
    Red blood cells
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Cardiovascular system and blood vessels — Stock Photo
    Cardiovascular system and blood vessels
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept. — Stock Photo
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept.
    Newborn digestive and cardio-vascular systems — Stock Photo
    Newborn digestive and cardio-vascular systems
    Wall of a muscular artery — Stock Photo
    Wall of a muscular artery
    Skeletal and cardiovascular systems of adult — Stock Photo
    Skeletal and cardiovascular systems of adult
    Brain's blood supply — Stock Photo
    Brain's blood supply
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept. — Stock Photo
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept.
    Human anatomical structure — Stock Photo
    Human anatomical structure
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Doctor practicing chest compression on cardiopulmonary resuscitation training dummy. — Stock Photo
    Doctor practicing chest compression on cardiopulmonary resuscitation training dummy.
    Red blood cells — Stock Photo
    Red blood cells
    Human blood cells, computer illustration — Stock Photo
    Human blood cells, computer illustration
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Colored angiogram of carotid artery in neck of mature patient. — Stock Photo
    Colored angiogram of carotid artery in neck of mature patient.
    Malaria infection infecting red blood cells, digital illustration. — Stock Photo
    Malaria infection infecting red blood cells, digital illustration.
    Heart of glass anatomy — Stock Photo
    Heart of glass anatomy
    Nanomachines working on red blood cells, digital illustration. — Stock Photo
    Nanomachines working on red blood cells, digital 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.
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Vascular system of a child — Stock Photo
    Vascular system of a child
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Doctor practicing chest compression on cardiopulmonary resuscitation training dummy. — Stock Photo
    Doctor practicing chest compression on cardiopulmonary resuscitation training dummy.
    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.