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237 results

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    House dust mites — Stock Photo
    House dust mites
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Liradiscus sp. planktonic unicellular algae — Stock Photo
    Liradiscus sp. planktonic unicellular algae
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    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.
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Clothes moth wing scales — Stock Photo
    Clothes moth wing scales
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Aulacodiscus oregonus diatom — Stock Photo
    Aulacodiscus oregonus diatom
    Scorpion fly foot — Stock Photo
    Scorpion fly foot
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Human blood cells — Stock Photo
    Human blood cells
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    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.
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Endictya oceanica diatom — Stock Photo
    Endictya oceanica diatom
    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.
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    House dust mites — Stock Photo
    House dust mites
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    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
    Human blood cells — Stock Photo
    Human blood cells
    Mucosa structure of the cervix — Stock Photo
    Mucosa structure of the cervix
    Parasitic trematode larva — Stock Photo
    Parasitic trematode larva
    White blood cells — Stock Photo
    White blood cells
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.