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237 results

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    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Human blood cells — Stock Photo
    Human blood cells
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Dental floss with cheek cells — Stock Photo
    Dental floss with cheek cells
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Light micrograph of goblet cells in colon. — Stock Photo
    Light micrograph of goblet cells in colon.
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Liver fluke Clonorchis sinensis — Stock Photo
    Liver fluke Clonorchis sinensis
    Giant Polytene chromosomes — Stock Photo
    Giant Polytene chromosomes
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Male sex cell — Stock Photo
    Male sex cell
    Male sex cell — Stock Photo
    Male sex cell
    Immature parasitic trematode — Stock Photo
    Immature parasitic trematode
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Male mosquito head — Stock Photo
    Male mosquito head
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Liver fluke Clonorchis sinensis — Stock Photo
    Liver fluke Clonorchis sinensis
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Light microscope objective lenses in laboratory. — Stock Photo
    Light microscope objective lenses in laboratory.
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Undifferentiated pleomorphic sarcoma of bone — Stock Photo
    Undifferentiated pleomorphic sarcoma of bone
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Planktonic unicellular alga Diploneis sp. — Stock Photo
    Planktonic unicellular alga Diploneis sp.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    White blood cells — Stock Photo
    White blood cells
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Red blood cells — Stock Photo
    Red blood cells