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13054663 results

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    Broadbean pollen grain — Stock Photo
    Broadbean pollen grain
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Abstract red colored cancer cell on black background, digital illustration. — Stock Photo
    Abstract red colored cancer cell on black background, digital illustration.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Human sperm cells — Stock Photo
    Human sperm cells
    Neural network showing synaptic terminals — Stock Photo
    Neural network showing synaptic terminals
    Bacterial blood infection — Stock Photo
    Bacterial blood infection
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Illustration of a neutrophil. — Stock Photo
    Illustration of a neutrophil.
    Female reproductive system — Stock Photo
    Female reproductive system
    Digital artwork of green cancer cell on tissue surface. — Stock Photo
    Digital artwork of green cancer cell on tissue surface.
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Artwork of plasma cells — Stock Photo
    Artwork of plasma cells
    Red and white blood cells, computer illustration. — Stock Photo
    Red and white blood cells, computer illustration.
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Magnified digital illustration of 16 cell stage embryo. — Stock Photo
    Magnified digital illustration of 16 cell stage embryo.
    Dopaminergic neuron brain cells, digital illustration. — Stock Photo
    Dopaminergic neuron brain cells, digital illustration.
    Swine influenza virus microscopic view — Stock Photo
    Swine influenza virus microscopic view
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Animal cell during mitosis nuclear division, digital illustration. — Stock Photo
    Animal cell during mitosis nuclear division, digital illustration.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    3d rendered illustration of human nerve cell on blue background. — Stock Photo
    3d rendered illustration of human nerve cell on blue background.
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration
    Nipah virus particle, digital artwork. — Stock Photo
    Nipah virus particle, digital artwork.
    Illustration of yellow human egg cell on blue background. — Stock Photo
    Illustration of yellow human egg cell on blue background.
    Magnified digital illustration of eosinophil cell. — Stock Photo
    Magnified digital illustration of eosinophil cell.
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Coloured scanning electron micrograph of cancer cells from colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cells from colon.
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Abstract blue colored cancer cell on black background, digital illustration. — Stock Photo
    Abstract blue colored cancer cell on black background, digital illustration.
    Magnified digital illustration of morula cells. — Stock Photo
    Magnified digital illustration of morula cells.
    Paramecium sp. ciliate protozoa — Stock Photo
    Paramecium sp. ciliate protozoa
    Stages of autophagy mechanism — Stock Photo
    Stages of autophagy mechanism
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital illustration.
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Brain neural network, computer illustration. — Stock Photo
    Brain neural network, computer illustration.
    Cancer cell morphology — Stock Photo
    Cancer cell morphology
    Nerve cell, computer illustration — Stock Photo
    Nerve cell, computer illustration
    Migrating breast cancer cell, digital 3d illustration. — Stock Photo
    Migrating breast cancer cell, digital 3d illustration.
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Abstract green colored cancer cell on black background, digital illustration. — Stock Photo
    Abstract green colored cancer cell on black background, digital illustration.
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Red blood cells and blood vessel — Stock Photo
    Red blood cells and blood vessel
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Healthy red and white blood cells — Stock Photo
    Healthy red and white blood cells
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Nerve cell, computer illustration — Stock Photo
    Nerve cell, computer illustration
    Nerve bundle from the sciatic nerve — Stock Photo
    Nerve bundle from the sciatic nerve
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower.