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237 results

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    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Clothes moth wing scales — Stock Photo
    Clothes moth wing scales
    Male sex cell — Stock Photo
    Male sex cell
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Male sex cell — Stock Photo
    Male sex cell
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Male mosquito head — Stock Photo
    Male mosquito head
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Scientists looking at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientists looking at scanning electron micrographs of different nanofibre structures.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Nanostructures formed on a silicon surface — Stock Photo
    Nanostructures formed on a silicon surface
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Scientist checking nanofibre structure under light microscope. — Stock Photo
    Scientist checking nanofibre structure under light microscope.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    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
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Human blood cells — Stock Photo
    Human blood cells
    Light micrograph of rectal papilloma on white background, — Stock Photo
    Light micrograph of rectal papilloma on white background,
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    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
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Planktonic unicellular alga Diploneis sp. — Stock Photo
    Planktonic unicellular alga Diploneis sp.
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Fertilization of human egg — Stock Photo
    Fertilization of human egg
    Male human flea — Stock Photo
    Male human flea
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Scientist pointing at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientist pointing at scanning electron micrographs of different nanofibre structures.
    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.
    Giant Polytene chromosomes — Stock Photo
    Giant Polytene chromosomes
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Section through the nasal mucosa — Stock Photo
    Section through the nasal mucosa
    Marine pennate diatom frustule — Stock Photo
    Marine pennate diatom frustule
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    White blood cells — Stock Photo
    White blood cells
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Human eyelash mites — Stock Photo
    Human eyelash mites