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237 results

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    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    Female of the human body louse — Stock Photo
    Female of the human body louse
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Liver fluke Clonorchis sinensis — Stock Photo
    Liver fluke Clonorchis sinensis
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Centric fossil diatom frustule — Stock Photo
    Centric fossil diatom frustule
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Marine pennate diatom frustule — Stock Photo
    Marine pennate diatom frustule
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Male mosquito head — Stock Photo
    Male mosquito head
    Human blood cells — Stock Photo
    Human blood cells
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Scientist checking nanofibre structure under light microscope. — Stock Photo
    Scientist checking nanofibre structure under light microscope.
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Simple cuboidal epithelium, digital illustration. — Stock Photo
    Simple cuboidal epithelium, digital illustration.
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Bluebottle fly head — Stock Photo
    Bluebottle fly head
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Red blood cells — Stock Photo
    Red blood cells
    Woodland skipper butterfly compound eye — Stock Photo
    Woodland skipper butterfly compound eye
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Male human flea — Stock Photo
    Male human flea
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Scorpion fly foot — Stock Photo
    Scorpion fly foot
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    House dust mites — Stock Photo
    House dust mites
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Nanostructures formed on a tantalum surface — Stock Photo
    Nanostructures formed on a tantalum surface
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Clothes moth wing scales — Stock Photo
    Clothes moth wing scales
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Parasitic trematode larva — Stock Photo
    Parasitic trematode larva
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses