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    Human heart anatomy — Stock Photo
    Human heart anatomy
    Visual rendering of Heart anatomy — Stock Photo
    Visual rendering of Heart anatomy
    Female vascular system structure of legs, computer illustration. — Stock Photo
    Female vascular system structure of legs, computer illustration.
    Illustration of red and white blood cells in the bloodstream. — Stock Photo
    Illustration of red and white blood cells in the bloodstream.
    Blood stream and artery walls — Stock Photo
    Blood stream and artery walls
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Coloured angiogram (blood vessel X-ray) of the coronary arteries of a 52 year old patient. The artery at right has had a stent placed in it to treat a blockage. — Stock Photo
    Coloured angiogram (blood vessel X-ray) of the coronary arteries of a 52 year old patient. The artery at right has had a stent placed in it to treat a blockage.
    Illustration of female silhouette with highlighted inflamed heart. — Stock Photo
    Illustration of female silhouette with highlighted inflamed heart.
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    3d illustration of white blood cells leukocytes in human body. — Stock Photo
    3d illustration of white blood cells leukocytes in human body.
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    3d rendered illustration of blue silhouette of man with chest pain. — Stock Photo
    3d rendered illustration of blue silhouette of man with chest pain.
    Female body with visible vascular system, digital illustration. — Stock Photo
    Female body with visible vascular system, digital illustration.
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    Illustration of human blood cells on white background. — Stock Photo
    Illustration of human blood cells on white background.
    Illustration of thyroid tumour in realistic skeleton. — Stock Photo
    Illustration of thyroid tumour in realistic skeleton.
    Illustration of human heart anatomy on grey background. — Stock Photo
    Illustration of human heart anatomy on grey background.
    Illustration of human heart in body silhouette. — Stock Photo
    Illustration of human heart in body silhouette.
    Female body with visible cardiovascular system, digital illustration — Stock Photo
    Female body with visible cardiovascular system, digital illustration
    Illustration of heart in silhouette of female body. — Stock Photo
    Illustration of heart in silhouette of female body.
    Human body model showing male anatomy and blood vessels, digital illustration. — Stock Photo
    Human body model showing male anatomy and blood vessels, digital illustration.
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    3d rendered illustration of diseased heart valve on white background. — Stock Photo
    3d rendered illustration of diseased heart valve on white background.
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Cutaway view of the human kidney and adrenal gland — Stock Photo
    Cutaway view of the human kidney and adrenal gland
    Three dimensional medical illustration of male chest with arteries, veins, heart and rib cage — Stock Photo
    Three dimensional medical illustration of male chest with arteries, veins, heart and rib cage
    Medical illustration of female circulatory system — Stock Photo
    Medical illustration of female circulatory system
    Illustration of transparent blue silhouette of male body with colored heart. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored heart.
    Coloured scanning electron micrograph (SEM) of a section through healthy skin. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through healthy skin.
    Female anatomy cardiovascular system with skeleton on white background. — Stock Photo
    Female anatomy cardiovascular system with skeleton on white background.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Vascular system of neck in male body, computer illustration. — Stock Photo
    Vascular system of neck in male body, computer illustration.
    Illustration of blue silhouette of obese woman with highlighted heart. — Stock Photo
    Illustration of blue silhouette of obese woman with highlighted heart.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Female body with visible vascular system, digital illustration. — Stock Photo
    Female body with visible vascular system, digital illustration.
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Anatomy of human abdominal vein system — Stock Photo
    Anatomy of human abdominal vein system
    Illustration of human heart in body silhouette. — Stock Photo
    Illustration of human heart in body silhouette.
    Neck anatomy showing arteries of pharyngeal region and thyroid — Stock Photo
    Neck anatomy showing arteries of pharyngeal region and thyroid
    Illustration of bypass in human heart. — Stock Photo
    Illustration of bypass in human heart.
    Medical illustration of fat inside of human artery. — Stock Photo
    Medical illustration of fat inside of human artery.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Heart of glass anatomy — Stock Photo
    Heart of glass anatomy
    Illustration of heart in transparent male silhouette. — Stock Photo
    Illustration of heart in transparent male silhouette.
    Medical illustration of human eye anatomy — Stock Photo
    Medical illustration of human eye anatomy
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Blood pressure and circulatory system — Stock Photo
    Blood pressure and circulatory system
    3d illustration of blood plasma and components of blood flowing from artery. — Stock Photo
    3d illustration of blood plasma and components of blood flowing from artery.
    Digital illustration of human alveoli on white background. — Stock Photo
    Digital illustration of human alveoli on white background.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Female anatomy showing vascular system, digital illustration. — Stock Photo
    Female anatomy showing vascular system, digital illustration.
    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital illustration.
    Dentist drilling teeth — Stock Photo
    Dentist drilling teeth
    Illustration of heart in silhouette of female body. — Stock Photo
    Illustration of heart in silhouette of female body.