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237 results

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    Electron micrograph of Bacteria and yeast — Stock Photo
    Electron micrograph of Bacteria and yeast
    Nanostructures formed on a silicon surface — Stock Photo
    Nanostructures formed on a silicon surface
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    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.
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    House dust mites — Stock Photo
    House dust mites
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Undifferentiated pleomorphic sarcoma of bone — Stock Photo
    Undifferentiated pleomorphic sarcoma of bone
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Scorpion fly foot — Stock Photo
    Scorpion fly foot
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    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.
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Woodland skipper butterfly compound eye — Stock Photo
    Woodland skipper butterfly compound eye
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    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.
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Activated human macrophage — Stock Photo
    Activated human macrophage
    White blood cells — Stock Photo
    White blood cells
    Male sex cell — Stock Photo
    Male sex cell
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Light micrograph of a section through an aeciospore from a Puccinia sp. rust fungus. — Stock Photo
    Light micrograph of a section through an aeciospore from a Puccinia sp. rust fungus.
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Male sex cell — Stock Photo
    Male sex cell
    White blood cells — Stock Photo
    White blood cells
    Liradiscus sp. planktonic unicellular algae — Stock Photo
    Liradiscus sp. planktonic unicellular algae
    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
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    House dust mites — Stock Photo
    House dust mites
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Scientist pointing at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientist pointing at scanning electron micrographs of different nanofibre structures.
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Nanostructures formed on a tantalum surface — Stock Photo
    Nanostructures formed on a tantalum surface
    Bluebottle fly head — Stock Photo
    Bluebottle fly head
    Immature parasitic trematode — Stock Photo
    Immature parasitic trematode
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Abstract view of plant tissue in light micrograph. — Stock Photo
    Abstract view of plant tissue in light micrograph.
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    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
    Parasitic trematode larva — Stock Photo
    Parasitic trematode larva
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth