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237 results

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    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    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
    Giant Polytene chromosomes — Stock Photo
    Giant Polytene chromosomes
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Male sex cell — Stock Photo
    Male sex cell
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Activated platelets with canalicular system — Stock Photo
    Activated platelets with canalicular system
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Streptococcus thermophilus bacteria — Stock Photo
    Streptococcus thermophilus bacteria
    Male mosquito head — Stock Photo
    Male mosquito head
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    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
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Giant Polytene chromosomes — Stock Photo
    Giant Polytene chromosomes
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    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.
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Parasitic trematode larva — Stock Photo
    Parasitic trematode larva
    White blood cells — Stock Photo
    White blood cells
    Nanostructures formed on a silicon surface — Stock Photo
    Nanostructures formed on a silicon surface
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Freshwater single diatom — Stock Photo
    Freshwater single 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.
    Nanostructures formed on a titanium surface — Stock Photo
    Nanostructures formed on a titanium surface
    House dust mites — Stock Photo
    House dust mites
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Scientists looking at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientists looking at scanning electron micrographs of different nanofibre structures.
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    House dust mites — Stock Photo
    House dust mites
    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
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    Human blood cells — Stock Photo
    Human blood cells
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Section of a flower bud — Stock Photo
    Section of a flower bud
    White blood cells — Stock Photo
    White blood cells
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    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.
    Undifferentiated pleomorphic sarcoma of bone — Stock Photo
    Undifferentiated pleomorphic sarcoma of bone
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast