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237 results

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    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    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
    Marine planktonic unicellular alga — Stock Photo
    Marine planktonic unicellular alga
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Male sex cell — Stock Photo
    Male sex cell
    Giant Polytene chromosomes — Stock Photo
    Giant Polytene chromosomes
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Liver fluke Clonorchis sinensis — Stock Photo
    Liver fluke Clonorchis sinensis
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Red blood cells — Stock Photo
    Red blood cells
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus — Stock Photo
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus
    Centric fossil diatom frustule — Stock Photo
    Centric fossil diatom frustule
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Human blood cells — Stock Photo
    Human blood cells
    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
    Female of the human body louse — Stock Photo
    Female of the human body louse
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Mucosa structure of the cervix — Stock Photo
    Mucosa structure of the cervix
    Streptococcus thermophilus bacteria — Stock Photo
    Streptococcus thermophilus bacteria
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Pubic louse, SEM — Stock Photo
    Pubic louse, SEM
    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.
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    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.
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Giant Polytene chromosomes — Stock Photo
    Giant Polytene chromosomes
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    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.
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Undifferentiated pleomorphic sarcoma of bone — Stock Photo
    Undifferentiated pleomorphic sarcoma of bone
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    House dust mites — Stock Photo
    House dust mites
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Male sex cell — Stock Photo
    Male sex cell
    Light microscope objective lenses in laboratory. — Stock Photo
    Light microscope objective lenses in laboratory.
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria