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320 results

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    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    Brain hemisphere anatomy — Stock Photo
    Brain hemisphere anatomy
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Red blood cells — Stock Photo
    Red blood cells
    Medical illustration of artificial heart valve. — Stock Photo
    Medical illustration of artificial heart valve.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification
    Pathophysiology of Arteriosclerosis — Stock Photo
    Pathophysiology of Arteriosclerosis
    Healthy cardiovascular system — Stock Photo
    Healthy cardiovascular system
    Red blood cells — Stock Photo
    Red blood cells
    Newborn digestive and cardio-vascular systems — Stock Photo
    Newborn digestive and cardio-vascular systems
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Colored angiogram of carotid artery in neck of mature patient. — Stock Photo
    Colored angiogram of carotid artery in neck of mature patient.
    Representation of Circulatory system — Stock Photo
    Representation of Circulatory system
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital 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.
    Coloured coronary angiogram (X-ray) of a 59 year old patient with severe stenosis (narrowing) in the left anterior interventricular coronary artery (running down left) and the left circumflex artery (centre). — Stock Photo
    Coloured coronary angiogram (X-ray) of a 59 year old patient with severe stenosis (narrowing) in the left anterior interventricular coronary artery (running down left) and the left circumflex artery (centre).
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Shoulder blood supply — Stock Photo
    Shoulder blood supply
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    Cardiovascular system and blood vessels — Stock Photo
    Cardiovascular system and blood vessels
    First-aiders practicing cardiopulmonary resuscitation on training dummy. — Stock Photo
    First-aiders practicing cardiopulmonary resuscitation on training dummy.
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Ebola virus particles in blood, digital illustration. — Stock Photo
    Ebola virus particles in blood, digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    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.
    Entangled red blood vessels, digital illustration. — Stock Photo
    Entangled red blood vessels, digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Red blood cells — Stock Photo
    Red blood cells
    Normal male anatomy — Stock Photo
    Normal male anatomy
    Cardiovascular system of an adult — Stock Photo
    Cardiovascular system of an adult
    Female structural anatomy — Stock Photo
    Female structural anatomy
    HIV human immunodeficiency virus in bloodstream, digital illustration — Stock Photo
    HIV human immunodeficiency virus in bloodstream, digital illustration
    Human blood cells, computer illustration — Stock Photo
    Human blood cells, computer illustration
    Female anatomy cardiovascular system with skeleton on black background. — Stock Photo
    Female anatomy cardiovascular system with skeleton on black background.
    Human structural anatomy — Stock Photo
    Human structural anatomy
    Medical illustration of artificial heart valve. — Stock Photo
    Medical illustration of artificial heart valve.
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Brain's blood supply — Stock Photo
    Brain's blood supply
    Anatomy of a human heart, front and side view, 3d illustration. — Stock Photo
    Anatomy of a human heart, front and side view, 3d illustration.
    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.
    Doctor practicing chest compression on infant training dummy. — Stock Photo
    Doctor practicing chest compression on infant training dummy.
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Conceptual computer Illustration of human heart anatomy. — Stock Photo
    Conceptual computer Illustration of human heart anatomy.
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Vascular system and skeleton of an adult — Stock Photo
    Vascular system and skeleton of an adult
    Illustration showing different types of blood cells, erythrocytes, neutrophil, monocyte, basophil, eosinophil, lymphocyte, and platelets. — Stock Photo
    Illustration showing different types of blood cells, erythrocytes, neutrophil, monocyte, basophil, eosinophil, lymphocyte, and platelets.
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Nanomachines working on red and white blood cells, digital illustration. — Stock Photo
    Nanomachines working on red and white blood cells, digital illustration.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    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).
    Blood vessels of the arms — Stock Photo
    Blood vessels of the arms
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.