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859 results

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    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Smiling woman checking cell phone in corridor — Stock Photo
    Smiling woman checking cell phone in corridor
    Neural network showing synaptic terminals — Stock Photo
    Neural network showing synaptic terminals
    Sickle cell anemia — Stock Photo
    Sickle cell anemia
    Blood droplet containing cells, conceptual illustration of hemophilia. — Stock Photo
    Blood droplet containing cells, conceptual illustration of hemophilia.
    Businesswoman laughing at cafeteria table — Stock Photo
    Businesswoman laughing at cafeteria table
    Digital illustration of balls of cholesterol lipids in blood vessel. — Stock Photo
    Digital illustration of balls of cholesterol lipids in blood vessel.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Red blood cells and blood vessel — Stock Photo
    Red blood cells and blood vessel
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Red colored cancer cell, digital illustration. — Stock Photo
    Red colored cancer cell, digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Red blood cells and leukocytes, computer illustration. — Stock Photo
    Red blood cells and leukocytes, computer illustration.
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Side view of beautiful Afro woman communicating with her smartphone — Stock Photo
    Side view of beautiful Afro woman communicating with her smartphone
    Cells trapped in fibrin protein mesh — Stock Photo
    Cells trapped in fibrin protein mesh
    Virus particles spreading through blood stream — Stock Photo
    Virus particles spreading through blood stream
    Antibodies attacking virus particles, computer illustration. — Stock Photo
    Antibodies attacking virus particles, computer illustration.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Traveler with a red suitcase and a cell phone. She's African-American and wears a fancy suit. — Stock Photo
    Traveler with a red suitcase and a cell phone. She's African-American and wears a fancy suit.
    Ginger woman with wavy hair making selfie — Stock Photo
    Ginger woman with wavy hair making selfie
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    White blood cells with red blood cells, computer illustration. — Stock Photo
    White blood cells with red blood cells, computer illustration.
    Biker woman on a motorcycle — Stock Photo
    Biker woman on a motorcycle
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Motorbike woman arranges damaged motorcycle — Stock Photo
    Motorbike woman arranges damaged motorcycle
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Parasitic amoeba engulfing red blood cells, illustration in imaging flow cytometry. — Stock Photo
    Parasitic amoeba engulfing red blood cells, illustration in imaging flow cytometry.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    3d illustration of cell division, cell membrane and splitting red nucleus. — Stock Photo
    3d illustration of cell division, cell membrane and splitting red nucleus.
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    HIV human immunodeficiency virus in bloodstream, digital illustration — Stock Photo
    HIV human immunodeficiency virus in bloodstream, digital illustration
    Illustration of illuminated red cancer cell on black background. — Stock Photo
    Illustration of illuminated red cancer cell on black background.
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration.
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital illustration.
    Human red blood cells — Stock Photo
    Human red blood cells
    Lung cancer cell — Stock Photo
    Lung cancer cell
    Businesswoman talking on cell phone on urban balcony with city view — Stock Photo
    Businesswoman talking on cell phone on urban balcony with city view
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Pathological anatomy of Brain stoke — Stock Photo
    Pathological anatomy of Brain stoke
    Girl lying on bed and using smartphone — Stock Photo
    Girl lying on bed and using smartphone
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    HIV human immunodeficiency virus in bloodstream, digital illustration — Stock Photo
    HIV human immunodeficiency virus in bloodstream, digital illustration
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery. — Stock Photo
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery.
    Man standing on a busy street at dusk. — Stock Photo
    Man standing on a busy street at dusk.
    Seductive female in black lingerie and with red lips leaning at counter in kitchen at home and looking her mobile — Stock Photo
    Seductive female in black lingerie and with red lips leaning at counter in kitchen at home and looking her mobile
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Erythrocytes or red blood cells — Stock Photo
    Erythrocytes or red blood cells