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237 results

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    Electron micrograph of Bacteria and yeast — Stock Photo
    Electron micrograph of Bacteria and yeast
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Giant Polytene chromosomes — Stock Photo
    Giant Polytene chromosomes
    House dust mites — Stock Photo
    House dust mites
    Bluebottle fly head — Stock Photo
    Bluebottle fly head
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    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
    Simple cuboidal epithelium, digital illustration. — Stock Photo
    Simple cuboidal epithelium, digital illustration.
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Male sex cell — Stock Photo
    Male sex cell
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Scientist checking nanofibre structure under light microscope. — Stock Photo
    Scientist checking nanofibre structure under light microscope.
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Villi of the intestine — Stock Photo
    Villi of the intestine
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    House dust mites — Stock Photo
    House dust mites
    Woodland skipper butterfly — Stock Photo
    Woodland skipper butterfly
    Metastatic breast cancer — Stock Photo
    Metastatic breast cancer
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    House dust mites — Stock Photo
    House dust mites
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    Pubic louse, SEM — Stock Photo
    Pubic louse, SEM
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Human blood cells — Stock Photo
    Human blood cells
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Abstract view of plant tissue in light micrograph. — Stock Photo
    Abstract view of plant tissue in light micrograph.
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Salt water pennate diatom frustule — Stock Photo
    Salt water pennate diatom frustule
    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.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    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.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Centric fossil diatom frustule — Stock Photo
    Centric fossil diatom frustule
    Villi of the intestine — Stock Photo
    Villi of the intestine