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    Colored angiogram of carotid artery in neck of mature patient. — Stock Photo
    Colored angiogram of carotid artery in neck of mature patient.
    Low-density lipoprotein receptors binding on cell membrane, illustration. — Stock Photo
    Low-density lipoprotein receptors binding on cell membrane, illustration.
    Senior patient undergoing heart ultrasound scanning by female doctor. — Stock Photo
    Senior patient undergoing heart ultrasound scanning by female doctor.
    Senior patient undergoing heart ultrasound scanning by female doctor. — Stock Photo
    Senior patient undergoing heart ultrasound scanning by female doctor.
    Woman undergoing examination in skin clinic. — Stock Photo
    Woman undergoing examination in skin clinic.
    Narrowed blood vessel, computer illustration. — Stock Photo
    Narrowed blood vessel, computer illustration.
    Woman undergoing examination in skin clinic — Stock Photo
    Woman undergoing examination in skin clinic
    Normal leg veins, coloured angiogram - blood vessel X-ray — Stock Photo
    Normal leg veins, coloured angiogram - blood vessel X-ray
    Different types of acne medical illustration — Stock Photo
    Different types of acne medical illustration
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes).
    Medical illustration of blood vessels anatomy with labels — Stock Photo
    Medical illustration of blood vessels anatomy with labels
    Coloured magnetic resonance angiogram (MRA) of the arteries (white) supplying the kidneys (blue, upper left and right). — Stock Photo
    Coloured magnetic resonance angiogram (MRA) of the arteries (white) supplying the kidneys (blue, upper left and right).
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Medical illustration of blood clotting process inside artery — Stock Photo
    Medical illustration of blood clotting process inside artery
    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).
    Coloured angiogram (blood vessel X-ray) of arteries in the pelvic region. — Stock Photo
    Coloured angiogram (blood vessel X-ray) of arteries in the pelvic region.
    Light micrograph of a cross section through a grape vine (Vitis sp.) stem. — Stock Photo
    Light micrograph of a cross section through a grape vine (Vitis sp.) stem.
    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).
    Coloured scanning electron micrograph (SEM) of a section through wood showing the phloem vessels (dark green holes) and xylem tissue (lower frame). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through wood showing the phloem vessels (dark green holes) and xylem tissue (lower frame).
    Computer illustration showing the common location of ulcers in diabetic foot infection. — Stock Photo
    Computer illustration showing the common location of ulcers in diabetic foot infection.
    Narrowed abdominal arteries, coloured angiogram - blood vessel X-ray . — Stock Photo
    Narrowed abdominal arteries, coloured angiogram - blood vessel X-ray .
    Conceptual computer Illustration of human heart anatomy. — Stock Photo
    Conceptual computer Illustration of human heart anatomy.
    Medical illustration of the human skin anatomy — Stock Photo
    Medical illustration of the human skin anatomy
    Light micrograph of a section through tissue showing an artery (middle ) and a vein (top left). — Stock Photo
    Light micrograph of a section through tissue showing an artery (middle ) and a vein (top left).
    Coloured three-dimensional computed tomography (CT) scan of a posterior view of a healthy rib cage and heart. — Stock Photo
    Coloured three-dimensional computed tomography (CT) scan of a posterior view of a healthy rib cage and heart.
    Coloured scanning electron micrograph (SEM) of a fractured bile duct. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured bile duct.
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Midrib of a tea leaf — Stock Photo
    Midrib of a tea leaf
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes).
    Medical illustration of blood vessels anatomy — Stock Photo
    Medical illustration of blood vessels anatomy
    Coloured scanning electron micrograph (SEM) of a fractured bile duct. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured bile duct.
    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).
    3D rendering of human circulatory system on black background — Stock Photo
    3D rendering of human circulatory system on black background
    Section through an osteoid osteoma — Stock Photo
    Section through an osteoid osteoma
    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).
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Kidney glomeruli, coloured scanning electron micrograph (SEM). — Stock Photo
    Kidney glomeruli, coloured scanning electron micrograph (SEM).
    Medical illustration of the human skin anatomy — Stock Photo
    Medical illustration of the human skin anatomy
    Midrib of a tea leaf — Stock Photo
    Midrib of a tea leaf
    Transverse section through the midrib of a fern leaf — Stock Photo
    Transverse section through the midrib of a fern leaf
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Atherosclerosis and narrowed artery — Stock Photo
    Atherosclerosis and narrowed artery
    Transverse section through the midrib of a fern leaf — Stock Photo
    Transverse section through the midrib of a fern leaf
    Normal male anatomy — Stock Photo
    Normal male anatomy
    Kidney with acute nephritis — Stock Photo
    Kidney with acute nephritis
    Mid rib of an olive leaf — Stock Photo
    Mid rib of an olive leaf
    Human lungs normal anatomy — Stock Photo
    Human lungs normal anatomy
    Coronary angioplasty stent insertion — Stock Photo
    Coronary angioplasty stent insertion
    Wall of a muscular artery — Stock Photo
    Wall of a muscular artery
    Section through an osteoid osteoma — Stock Photo
    Section through an osteoid osteoma
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Arteries and veins of the hand — Stock Photo
    Arteries and veins of the hand
    Healthy kidney anatomy — Stock Photo
    Healthy kidney anatomy
    Pathological anatomy of atherosclerosis — Stock Photo
    Pathological anatomy of atherosclerosis
    Heart of glass anatomy — Stock Photo
    Heart of glass anatomy
    Arteries and veins of the hand — Stock Photo
    Arteries and veins of the hand
    Sago palm leaf — Stock Photo
    Sago palm leaf
    Heart attack rendering — Stock Photo
    Heart attack rendering
    Coronary angioplasty stent insertion — Stock Photo
    Coronary angioplasty stent insertion