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237 results

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    Electron micrograph of Bacteria and yeast — Stock Photo
    Electron micrograph of Bacteria and yeast
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Marine pennate diatom frustule — Stock Photo
    Marine pennate diatom frustule
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Nanostructures formed on a tantalum surface — Stock Photo
    Nanostructures formed on a tantalum surface
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Centric fossil diatom frustule — Stock Photo
    Centric fossil diatom frustule
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    Light micrograph of goblet cells in colon. — Stock Photo
    Light micrograph of goblet cells in colon.
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Male human flea — Stock Photo
    Male human flea
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    White blood cells — Stock Photo
    White blood cells
    Liver fluke Clonorchis sinensis — Stock Photo
    Liver fluke Clonorchis sinensis
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Immature parasitic trematode — Stock Photo
    Immature parasitic trematode
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Human head louse — Stock Photo
    Human head louse
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.