En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
237 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Male sex cell — Stock Photo
    Male sex cell
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Woodland skipper butterfly — Stock Photo
    Woodland skipper butterfly
    Section through the nasal mucosa — Stock Photo
    Section through the nasal mucosa
    Tooth with accumulation of bacterial plaque — Stock Photo
    Tooth with accumulation of bacterial plaque
    Parasitic trematode larva — Stock Photo
    Parasitic trematode larva
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Male sex cell — Stock Photo
    Male sex cell
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Centric fossil diatom frustule — Stock Photo
    Centric fossil diatom frustule
    Human blood cells — Stock Photo
    Human blood cells
    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.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Human blood cells — Stock Photo
    Human blood cells
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Electron micrograph of Bacteria and yeast — Stock Photo
    Electron micrograph of Bacteria and yeast
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    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
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Liver fluke Clonorchis sinensis — Stock Photo
    Liver fluke Clonorchis sinensis
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic 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.
    Components of house dust — Stock Photo
    Components of house dust
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Male sex cell — Stock Photo
    Male sex cell
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Nanostructures formed on a silicon surface — Stock Photo
    Nanostructures formed on a silicon surface
    Simple cuboidal epithelium, digital illustration. — Stock Photo
    Simple cuboidal 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.
    House dust mites — Stock Photo
    House dust mites
    Actinocyclus sp. diatom unicellular algae — Stock Photo
    Actinocyclus sp. diatom unicellular algae
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Immature parasitic trematode — Stock Photo
    Immature parasitic trematode
    Clothes moth wing scales — Stock Photo
    Clothes moth wing scales
    Scientists looking at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientists looking at scanning electron micrographs of different nanofibre structures.
    Dental floss with cheek cells — Stock Photo
    Dental floss with cheek 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.
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Fertilization of human egg — Stock Photo
    Fertilization of human egg