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237 results

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    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Parasitic trematode larva — Stock Photo
    Parasitic trematode larva
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Male sex cell — Stock Photo
    Male sex cell
    Section through the nasal mucosa — Stock Photo
    Section through the nasal mucosa
    House dust mites — Stock Photo
    House dust mites
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    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.
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Male sex cell — Stock Photo
    Male sex cell
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    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.
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Salt water pennate diatom frustule — Stock Photo
    Salt water pennate diatom frustule
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Human blood cells — Stock Photo
    Human blood cells
    Liver fluke Clonorchis sinensis — Stock Photo
    Liver fluke Clonorchis sinensis
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    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.
    Pubic louse, SEM — Stock Photo
    Pubic louse, SEM
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Light micrograph of rectal papilloma on white background, — Stock Photo
    Light micrograph of rectal papilloma on white background,
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    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.
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Male human flea — Stock Photo
    Male human flea
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Dental floss with cheek cells — Stock Photo
    Dental floss with cheek cells
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Section of a flower bud — Stock Photo
    Section of a flower bud
    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
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Scientist checking nanofibre structure under light microscope. — Stock Photo
    Scientist checking nanofibre structure under light microscope.
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell