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237 results

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    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Scorpion fly foot — Stock Photo
    Scorpion fly foot
    Simple cuboidal epithelium, digital illustration. — Stock Photo
    Simple cuboidal epithelium, digital illustration.
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Male sex cell — Stock Photo
    Male sex cell
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Light micrograph of a section through the surface of a tonsil showing the stratified squamous epithelium (pink) and underlying lymphoid tissue. — Stock Photo
    Light micrograph of a section through the surface of a tonsil showing the stratified squamous epithelium (pink) and underlying lymphoid tissue.
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    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.
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Giant Polytene chromosomes — Stock Photo
    Giant Polytene chromosomes
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Lung cancer cells — Stock Photo
    Lung cancer cells
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Giant Polytene chromosomes — Stock Photo
    Giant Polytene chromosomes
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Human blood cells — Stock Photo
    Human blood cells
    Scientists looking at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientists looking at scanning electron micrographs of different nanofibre structures.
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Salt water pennate diatom frustule — Stock Photo
    Salt water pennate diatom frustule
    Dental floss with cheek cells — Stock Photo
    Dental floss with cheek cells
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Micrograph of house fly — Stock Photo
    Micrograph of house fly
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Human head louse — Stock Photo
    Human head louse
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Woodland skipper butterfly compound eye — Stock Photo
    Woodland skipper butterfly compound eye
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Liver fluke Clonorchis sinensis — Stock Photo
    Liver fluke Clonorchis sinensis
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon