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237 results

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    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    Actinocyclus sp. diatom unicellular algae — Stock Photo
    Actinocyclus sp. diatom unicellular algae
    Aulacodiscus oregonus diatom — Stock Photo
    Aulacodiscus oregonus diatom
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Woodland skipper butterfly — Stock Photo
    Woodland skipper butterfly
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Liver fluke Clonorchis sinensis — Stock Photo
    Liver fluke Clonorchis sinensis
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Immature parasitic trematode — Stock Photo
    Immature parasitic trematode
    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
    Dental floss with cheek cells — Stock Photo
    Dental floss with cheek cells
    Section through the nasal mucosa — Stock Photo
    Section through the nasal mucosa
    Endictya oceanica diatom — Stock Photo
    Endictya oceanica diatom
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    House dust mites — Stock Photo
    House dust mites
    Streptococcus thermophilus bacteria — Stock Photo
    Streptococcus thermophilus bacteria
    Parasitic trematode larva — Stock Photo
    Parasitic trematode larva
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Human head louse — Stock Photo
    Human head louse
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Male mosquito head — Stock Photo
    Male mosquito head
    Liradiscus sp. planktonic unicellular algae — Stock Photo
    Liradiscus sp. planktonic unicellular algae
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Abstract view of plant tissue in light micrograph. — Stock Photo
    Abstract view of plant tissue in light micrograph.
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Nanostructures formed on a silicon surface — Stock Photo
    Nanostructures formed on a silicon surface
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Planktonic unicellular alga Diploneis sp. — Stock Photo
    Planktonic unicellular alga Diploneis sp.
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Components of house dust — Stock Photo
    Components of house dust