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1630 results

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    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Zika virus particles — Stock Photo
    Zika virus particles
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Nanostructures formed on a titanium surface — Stock Photo
    Nanostructures formed on a titanium surface
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Lung cancer cells — Stock Photo
    Lung cancer cells
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Burkitts lymphoma tumour — Stock Photo
    Burkitts lymphoma tumour
    Grey matter of the cerebellum — Stock Photo
    Grey matter of the cerebellum
    Influenza viruses and host cell — Stock Photo
    Influenza viruses and host cell
    Large thrombus formation — Stock Photo
    Large thrombus formation
    Human oesophagus wall — Stock Photo
    Human oesophagus wall
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Male sex cell — Stock Photo
    Male sex cell
    Bone from the vertebral column — Stock Photo
    Bone from the vertebral column
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Human red blood cells — Stock Photo
    Human red blood cells
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Cat flea head — Stock Photo
    Cat flea head
    Vaccinia virus particle — Stock Photo
    Vaccinia virus particle
    Human papillomavirus particles in the bloodstream — Stock Photo
    Human papillomavirus particles in the bloodstream
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    White blood cells — Stock Photo
    White blood cells
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Streptococcus thermophilus bacteria — Stock Photo
    Streptococcus thermophilus bacteria
    House dust mites — Stock Photo
    House dust mites
    Marsh marigold carpel — Stock Photo
    Marsh marigold carpel
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Activated platelet cells — Stock Photo
    Activated platelet cells
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Human red blood cells and platelets — Stock Photo
    Human red blood cells and platelets
    Fibrosarcoma cells in late stage of mitosis — Stock Photo
    Fibrosarcoma cells in late stage of mitosis
    House dust mites — Stock Photo
    House dust mites
    Pancreatic cancer cells — Stock Photo
    Pancreatic cancer cells
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Fractured bladder stone — Stock Photo
    Fractured bladder stone
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Pars distalis of the pituitary gland — Stock Photo
    Pars distalis of the pituitary gland
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Microvilli of gallbladder surface — Stock Photo
    Microvilli of gallbladder surface
    Embryo selection for IVF — Stock Photo
    Embryo selection for IVF
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Escherichia coli bacteria on gecko tongue — Stock Photo
    Escherichia coli bacteria on gecko tongue
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Human head louse on human hair — Stock Photo
    Human head louse on human hair