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    Light micrograph of red blood cells (erythrocytes, red) in a blood vessel. — Stock Photo
    Light micrograph of red blood cells (erythrocytes, red) in a blood vessel.
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue).
    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).
    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    Computer illustration showing different stages of release of malaria merozoites from a red blood cell. — Stock Photo
    Computer illustration showing different stages of release of malaria merozoites from a red blood cell.
    Pathophysiology of diabetic foot ulcers — Stock Photo
    Pathophysiology of diabetic foot ulcers
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    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
    Hypodermic needle (26 gauge) and human blood, coloured scanning electron micrograph (SEM). — Stock Photo
    Hypodermic needle (26 gauge) and human blood, coloured scanning electron micrograph (SEM).
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Coloured scanning electron micrograph (SEM) of human myeloid white blood cells found in bone marrow. — Stock Photo
    Coloured scanning electron micrograph (SEM) of human myeloid white blood cells found in bone marrow.
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Appendix showing appendicitis — Stock Photo
    Appendix showing appendicitis
    Used surgical swab — Stock Photo
    Used surgical swab
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    Used surgical swab — Stock Photo
    Used surgical swab
    Pathological anatomy of Brain stoke — Stock Photo
    Pathological anatomy of Brain stoke
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Pathological anatomy of atherosclerosis — Stock Photo
    Pathological anatomy of atherosclerosis
    Healthy artery anatomy — Stock Photo
    Healthy artery anatomy
    Cut in an artery seen from its interior — Stock Photo
    Cut in an artery seen from its interior
    Cancer cells and blood vessels — Stock Photo
    Cancer cells and blood vessels
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Cancer cells and blood vessels — Stock Photo
    Cancer cells and blood vessels
    Red blood cells in an artery — Stock Photo
    Red blood cells in an artery
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Atherosclerosis harming blood vessel — Stock Photo
    Atherosclerosis harming blood vessel
    Lymph node in tuberculosis — Stock Photo
    Lymph node in tuberculosis
    Cancer cells and blood vessels — Stock Photo
    Cancer cells and blood vessels
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Activated platelets in blood vessel — Stock Photo
    Activated platelets in blood vessel
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Blood stream and artery walls — Stock Photo
    Blood stream and artery walls
    Normal human red blood cell — Stock Photo
    Normal human red blood cell
    Red blood cells — Stock Photo
    Red blood cells
    Visual rendering of Sleeping sickness — Stock Photo
    Visual rendering of Sleeping sickness
    Activated platelets in blood vessel — Stock Photo
    Activated platelets in blood vessel
    Red and white blood cells — Stock Photo
    Red and white blood cells
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Cancer cells and blood vessels — Stock Photo
    Cancer cells and blood vessels
    Red blood cells — Stock Photo
    Red blood cells
    Molecules of insulin circulating in the blood stream — Stock Photo
    Molecules of insulin circulating in the blood stream
    Normal human red blood cell — Stock Photo
    Normal human red blood cell
    Blood stream and artery walls — Stock Photo
    Blood stream and artery walls
    Visual rendering of Sleeping sickness — Stock Photo
    Visual rendering of Sleeping sickness
    Artery partially blocked by an atheroma — Stock Photo
    Artery partially blocked by an atheroma