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
    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.
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Light microscope objective lenses in laboratory. — Stock Photo
    Light microscope objective lenses in laboratory.
    Streptococcus thermophilus bacteria — Stock Photo
    Streptococcus thermophilus bacteria
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Woodland skipper butterfly — Stock Photo
    Woodland skipper butterfly
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    Human blood cells — Stock Photo
    Human blood cells
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    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.
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Endictya oceanica diatom — Stock Photo
    Endictya oceanica diatom
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    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.
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Asparagus beetle head — Stock Photo
    Asparagus beetle head
    Tooth with accumulation of bacterial plaque — Stock Photo
    Tooth with accumulation of bacterial plaque
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    Marine pennate diatom frustule — Stock Photo
    Marine pennate diatom frustule
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    Aulacodiscus oregonus diatom — Stock Photo
    Aulacodiscus oregonus diatom
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Scorpion fly foot — Stock Photo
    Scorpion fly foot
    Nanostructures formed on a silicon surface — Stock Photo
    Nanostructures formed on a silicon 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
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    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.
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    House dust mites — Stock Photo
    House dust mites
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Centric fossil diatom frustule — Stock Photo
    Centric fossil diatom frustule
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Activated human macrophage — Stock Photo
    Activated human macrophage
    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
    Nanostructures formed on a titanium surface — Stock Photo
    Nanostructures formed on a titanium surface
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus