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1295 results

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    House dust mites — Stock Photo
    House dust mites
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Hair follicles of human skin — Stock Photo
    Hair follicles of human skin
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Fertilization of human egg — Stock Photo
    Fertilization of human egg
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Red blood cells — Stock Photo
    Red blood cells
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Male sex cell — Stock Photo
    Male sex cell
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Lime tree stem — Stock Photo
    Lime tree stem
    Male sex cell — Stock Photo
    Male sex cell
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Male sex cell — Stock Photo
    Male sex cell
    Cat flea head — Stock Photo
    Cat flea head
    Stick insect foot — Stock Photo
    Stick insect foot
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Vaccinia virus particle — Stock Photo
    Vaccinia virus particle
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Red blood cells — Stock Photo
    Red blood cells
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Cat flea head — Stock Photo
    Cat flea head
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Fungal cells revealing sporangium with spores — Stock Photo
    Fungal cells revealing sporangium with spores
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Red blood cells — Stock Photo
    Red blood cells
    Stick insect foot — Stock Photo
    Stick insect foot
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Lime tree stem — Stock Photo
    Lime tree stem
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Crenated red blood cells — Stock Photo
    Crenated red blood cells