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383 results

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    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Young man using phone in the pool — Stock Photo
    Young man using phone in the pool
    Artery partially blocked by an atheroma — Stock Photo
    Artery partially blocked by an atheroma
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph. — Stock Photo
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph.
    Dividing prostate gland cancer cells, colored scanning electron micrograph. — Stock Photo
    Dividing prostate gland cancer cells, colored scanning electron micrograph.
    3d illustration showing increase of non-functional white blood cells in leukaemia. — Stock Photo
    3d illustration showing increase of non-functional white blood cells in leukaemia.
    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.
    Dermatologist using mobile phone in clinic — Stock Photo
    Dermatologist using mobile phone in clinic
    Oligodendrocyte cell structure — Stock Photo
    Oligodendrocyte cell structure
    Illustration of abstract conceptual cancer monster. — Stock Photo
    Illustration of abstract conceptual cancer monster.
    Thyroid gland cancer with closeup view of cancer cells, computer illustration. — Stock Photo
    Thyroid gland cancer with closeup view of cancer cells, computer illustration.
    Brain cancer, conceptual computer illustration — Stock Photo
    Brain cancer, conceptual computer illustration
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Light micrograph of cardiac callosity. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of cardiac callosity. Haematoxylin and eosin stain.
    Thyroid gland cancer with closeup view of cancer cells, computer illustration. — Stock Photo
    Thyroid gland cancer with closeup view of cancer cells, computer illustration.
    Illustration of silhouette of pregnant woman with visible uterus and 4 cell stage embryo. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and 4 cell stage embryo.
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Mature woman laughing while relaxing at home with smartphone — Stock Photo
    Mature woman laughing while relaxing at home with smartphone
    Thyroid gland cancer with closeup view of cancer cells, computer illustration. — Stock Photo
    Thyroid gland cancer with closeup view of cancer cells, computer illustration.
    Illustration of abstract cancer cell with tentacles on plain background. — Stock Photo
    Illustration of abstract cancer cell with tentacles on plain background.
    Brain cancer, conceptual computer illustration — Stock Photo
    Brain cancer, conceptual computer illustration