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32666309 results

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    Zika virus particles — Stock Photo
    Zika virus particles
    Cancer cell morphology — Stock Photo
    Cancer cell morphology
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    3d illustration of signals transmitting nerve cells. — Stock Photo
    3d illustration of signals transmitting nerve cells.
    Plasmodium vivax protozoan inside red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoan inside red blood cells, digital illustration.
    Male sex cell — Stock Photo
    Male sex cell
    Normal human egg — Stock Photo
    Normal human egg
    Virus particles spreading through blood stream — Stock Photo
    Virus particles spreading through blood stream
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration. — Stock Photo
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration.
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Organelles of an eukaryotic cell — Stock Photo
    Organelles of an eukaryotic cell
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Fertilization of human egg — Stock Photo
    Fertilization of human egg
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus
    Magnified digital illustration of morula cells. — Stock Photo
    Magnified digital illustration of morula cells.
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration.
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Light micrograph (bottom left) and computer illustration (top right) of the lining of the stomach, known as the mucosa. — Stock Photo
    Light micrograph (bottom left) and computer illustration (top right) of the lining of the stomach, known as the mucosa.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Blue colored nerve cell on white background, digital illustration. — Stock Photo
    Blue colored nerve cell on white background, digital illustration.
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres. — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres.
    Burkitts lymphoma tumour — Stock Photo
    Burkitts lymphoma tumour
    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.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Insulin binding to insulin receptor — Stock Photo
    Insulin binding to insulin receptor
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification
    Immune response to cancer — Stock Photo
    Immune response to cancer
    Lining of the small intestine — Stock Photo
    Lining of the small intestine
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital illustration.
    Pancreatic cells. Colored transmission electron micrograph (TEM) of acinar (exocrine) pancreatic cells (red) adjacent to hormone- secreting (endocrine) Islet of Langerhans cells (yellow) — Stock Photo
    Pancreatic cells. Colored transmission electron micrograph (TEM) of acinar (exocrine) pancreatic cells (red) adjacent to hormone- secreting (endocrine) Islet of Langerhans cells (yellow)
    Platelets in human blood, computer illustration. — Stock Photo
    Platelets in human blood, computer illustration.
    Colored digital illustration of green cancer cell. — Stock Photo
    Colored digital illustration of green cancer cell.
    Illustration of human nerve cell connections. — Stock Photo
    Illustration of human nerve cell connections.
    3d illustration of a lysosome organelle within a eukaryotic cell. Lysosomes are enzyme-filled vesicles that break down waste material, foreign bodies and cellular debris. — Stock Photo
    3d illustration of a lysosome organelle within a eukaryotic cell. Lysosomes are enzyme-filled vesicles that break down waste material, foreign bodies and cellular debris.
    Magnified digital illustration of dendritic cell. — Stock Photo
    Magnified digital illustration of dendritic cell.
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    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.
    Paramecium sp. ciliate protozoa — Stock Photo
    Paramecium sp. ciliate protozoa
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Illustration of blue illuminated cancer cell. — Stock Photo
    Illustration of blue illuminated cancer cell.
    Abstract animal cell on white background, digital illustration. — Stock Photo
    Abstract animal cell on white background, digital illustration.
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Osteoclast cell structure — Stock Photo
    Osteoclast cell structure
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, digital illustration.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Human T-cell lymphotropic virus particle, digital conceptual illustration. — Stock Photo
    Human T-cell lymphotropic virus particle, digital conceptual illustration.
    Happy family taking selfie with camera phone — Stock Photo
    Happy family taking selfie with camera phone
    Young attractive Man talking on headset on sofa — Stock Photo
    Young attractive Man talking on headset on sofa
    Smiling man with headphones using cell phone and drinking coffee in cafe — Stock Photo
    Smiling man with headphones using cell phone and drinking coffee in cafe
    Businessman talking on cell phone at modern office — Stock Photo
    Businessman talking on cell phone at modern office
    Portrait of brunette woman with red suitcase leaning on parapet and using smartphone — Stock Photo
    Portrait of brunette woman with red suitcase leaning on parapet and using smartphone
    Man smiling in camper van — Stock Photo
    Man smiling in camper van
    Woman in winter clothing having coffee in restaurant — Stock Photo
    Woman in winter clothing having coffee in restaurant