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320 results

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    Arteries and veins of the hand — Stock Photo
    Arteries and veins of the hand
    Brain's blood supply — Stock Photo
    Brain's blood supply
    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.
    Ebola virus in blood and close-up of virions, digital illustration. — Stock Photo
    Ebola virus in blood and close-up of virions, digital illustration.
    Normal human arteries, — Stock Photo
    Normal human arteries,
    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.
    Nanomachines working on red blood cells, digital illustration. — Stock Photo
    Nanomachines working on red blood cells, digital illustration.
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Normal male anatomy — Stock Photo
    Normal male anatomy
    HIV human immunodeficiency virus in bloodstream, digital illustration — Stock Photo
    HIV human immunodeficiency virus in bloodstream, digital illustration
    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).
    Human structural anatomy — Stock Photo
    Human structural anatomy
    Schematic representation of human vein structure — Stock Photo
    Schematic representation of human vein structure
    Chest, neck and head arteries — Stock Photo
    Chest, neck and head arteries
    Red blood cells — Stock Photo
    Red blood cells
    Upper-body anatomy of adult male — Stock Photo
    Upper-body anatomy of adult male
    Blood vessels of the brain — Stock Photo
    Blood vessels of the brain
    Vascular system of healthy adult — Stock Photo
    Vascular system of healthy adult
    Healthy red blood cells — Stock Photo
    Healthy red blood cells
    Anatomy of a human heart, front and side view, 3d illustration. — Stock Photo
    Anatomy of a human heart, front and side view, 3d illustration.
    Vascular anatomy of head and neck — Stock Photo
    Vascular anatomy of head and neck
    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.
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Human structural anatomy — Stock Photo
    Human structural anatomy
    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 Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Normal human alveoli anatomy — Stock Photo
    Normal human alveoli anatomy
    Adult male anatomy — Stock Photo
    Adult male anatomy
    Blood supply network of human head — Stock Photo
    Blood supply network of human head
    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).
    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.
    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.
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Colored angiogram of carotid artery in neck of mature patient. — Stock Photo
    Colored angiogram of carotid artery in neck of mature patient.
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    Circulatory system and blood supply — Stock Photo
    Circulatory system and blood supply
    Cardiovascular system showing veins and arteries — Stock Photo
    Cardiovascular system showing veins and arteries
    Healthy kidney anatomy — Stock Photo
    Healthy kidney anatomy
    Ebola virus particles in blood, digital illustration. — Stock Photo
    Ebola virus particles in blood, 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.
    Normal human alveoli anatomy — Stock Photo
    Normal human alveoli anatomy
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Human anatomical structure — Stock Photo
    Human anatomical structure
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration. — Stock Photo
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration.
    Arteries and veins of the hand — Stock Photo
    Arteries and veins of the hand
    Nanomachines working on red blood cells, digital illustration. — Stock Photo
    Nanomachines working on red blood cells, digital illustration.
    Chest, neck and head arteries — Stock Photo
    Chest, neck and head arteries
    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 and leukocytes in cross-section of blood vessel, digital illustration. — Stock Photo
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration.
    Cardiovascular system of an adult — Stock Photo
    Cardiovascular system of an adult
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration. — Stock Photo
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Illustration of platelets (thrombocytes) that have been activated (with extensions) and those that are non-activated. Platelets are part of the blood. When a blood vessel is damaged, the platelets become activated and secrete chemicals that cause the — Stock Photo
    Illustration of platelets (thrombocytes) that have been activated (with extensions) and those that are non-activated. Platelets are part of the blood. When a blood vessel is damaged, the platelets become activated and secrete chemicals that cause the
    Normal human alveoli anatomy — Stock Photo
    Normal human alveoli anatomy
    Cross-section of human artery — Stock Photo
    Cross-section of human artery