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13617644 results

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    Girl lying on bed under pillow and using smartphone — Stock Photo
    Girl lying on bed under pillow and using smartphone
    Portrait smiling, confident young woman texting with smart phone — Stock Photo
    Portrait smiling, confident young woman texting with smart phone
    Activated platelets in blood vessel — Stock Photo
    Activated platelets in blood vessel
    Laughing girl lying under pillow — Stock Photo
    Laughing girl lying under pillow
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Virus in human blood, computer illustration. — Stock Photo
    Virus in human blood, computer illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Braid of blonde woman with the motorcycle helmet — Stock Photo
    Braid of blonde woman with the motorcycle helmet
    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital illustration.
    Daisy pollen grain — Stock Photo
    Daisy pollen grain
    Woman using camera phone at sunny lakeside — Stock Photo
    Woman using camera phone at sunny lakeside
    Human red blood cells — Stock Photo
    Human red blood cells
    Nanoparticles in blood — Stock Photo
    Nanoparticles in blood
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Red blood cells and protein particles, digital illustration. — Stock Photo
    Red blood cells and protein particles, digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer 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.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle
    Papillae on the upper surface of a rose flower petal (Rosa sp), coloured scanning electron micrograph (SEM). — Stock Photo
    Papillae on the upper surface of a rose flower petal (Rosa sp), coloured scanning electron micrograph (SEM).
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    From below beautiful Afro woman communicating with her smartphone — Stock Photo
    From below beautiful Afro woman communicating with her smartphone
    Activated platelets in blood vessel — Stock Photo
    Activated platelets 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.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Stylish and trendy sports woman talking on the phone close-up — Stock Photo
    Stylish and trendy sports woman talking on the phone close-up
    Ginger woman with wavy hair making selfie — Stock Photo
    Ginger woman with wavy hair making selfie
    Red blood cells — Stock Photo
    Red blood cells
    Virus particles in blood stream, digital illustration. — Stock Photo
    Virus particles in blood stream, digital illustration.
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Girl lying in bed and using smartphone — Stock Photo
    Girl lying in bed and using smartphone
    Illustration of low density cholesterol lipoprotein in bloodstream. — Stock Photo
    Illustration of low density cholesterol lipoprotein in bloodstream.
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    3d illustration of red blood cells disintegrating. — Stock Photo
    3d illustration of red blood cells disintegrating.
    Bacterial blood infection — Stock Photo
    Bacterial blood infection
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Red blood cells — Stock Photo
    Red blood cells
    Female cell biologist examining flask containing stem cells cultivated in red growth medium. — Stock Photo
    Female cell biologist examining flask containing stem cells cultivated in red growth medium.
    Blood stream and artery walls — Stock Photo
    Blood stream and artery walls
    Cheerful girl on beach — Stock Photo
    Cheerful girl on beach
    Antibodies attacking virus particles, computer illustration. — Stock Photo
    Antibodies attacking virus particles, computer illustration.
    Red blood cells in a blood vessel — Stock Photo
    Red blood cells in a blood vessel
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration. — Stock Photo
    Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration.
    Portrait of young girl with red suitcase using smartphone and standing near escalator in big hall — Stock Photo
    Portrait of young girl with red suitcase using smartphone and standing near escalator in big hall
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Red blood cells in a blood vessel — Stock Photo
    Red blood cells in a blood vessel
    Profesional woman in glasses types on computer in home office with tea — Stock Photo
    Profesional woman in glasses types on computer in home office with tea
    Abstract red colored cancer cell on white background, digital illustration. — Stock Photo
    Abstract red colored cancer cell on white background, digital illustration.
    Portrait of brunette woman with red suitcase leaning on parapet and using smartphone at railway station — Stock Photo
    Portrait of brunette woman with red suitcase leaning on parapet and using smartphone at railway station
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.