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    Light microscope objective lenses in laboratory. — Stock Photo
    Light microscope objective lenses in laboratory.
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    Centric fossil diatom frustule — Stock Photo
    Centric fossil diatom frustule
    Simple cuboidal epithelium, digital illustration. — Stock Photo
    Simple cuboidal epithelium, digital illustration.
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    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
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Activated human macrophage — Stock Photo
    Activated human macrophage
    House dust mites — Stock Photo
    House dust mites
    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.
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    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
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Metastatic breast cancer — Stock Photo
    Metastatic breast cancer
    Human blood cells — Stock Photo
    Human blood cells
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Clothes moth wing scales — Stock Photo
    Clothes moth wing scales
    Undifferentiated pleomorphic sarcoma of bone — Stock Photo
    Undifferentiated pleomorphic sarcoma of bone
    House dust mites — Stock Photo
    House dust mites
    Light micrograph of rectal papilloma on white background, — Stock Photo
    Light micrograph of rectal papilloma on white background,
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Pubic louse, SEM — Stock Photo
    Pubic louse, SEM
    Fertilization of human egg — Stock Photo
    Fertilization of human egg
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Scientist pointing at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientist pointing at scanning electron micrographs of different nanofibre structures.
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Activated platelets with canalicular system — Stock Photo
    Activated platelets with canalicular system
    Micrograph of house fly — Stock Photo
    Micrograph of house fly
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Human blood cells — Stock Photo
    Human blood cells
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Nanostructures formed on a titanium surface — Stock Photo
    Nanostructures formed on a titanium surface
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Male sex cell — Stock Photo
    Male sex cell
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Male sex cell — Stock Photo
    Male sex cell
    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.
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Marine planktonic unicellular alga — Stock Photo
    Marine planktonic unicellular alga
    Immature parasitic trematode — Stock Photo
    Immature parasitic trematode