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237 results

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    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Actinocyclus sp. diatom unicellular algae — Stock Photo
    Actinocyclus sp. diatom unicellular algae
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    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
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Components of house dust — Stock Photo
    Components of house dust
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    White blood cells — Stock Photo
    White blood cells
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Streptococcus thermophilus bacteria — Stock Photo
    Streptococcus thermophilus bacteria
    Micrograph of house fly — Stock Photo
    Micrograph of house fly
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Male sex cell — Stock Photo
    Male sex cell
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Male sex cell — Stock Photo
    Male sex cell
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Abstract view of plant tissue in light micrograph. — Stock Photo
    Abstract view of plant tissue in light micrograph.
    White blood cells — Stock Photo
    White blood cells
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Simple cuboidal epithelium, digital illustration. — Stock Photo
    Simple cuboidal epithelium, digital illustration.
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Woodland skipper butterfly compound eye — Stock Photo
    Woodland skipper butterfly compound eye
    Mucosa structure of the cervix — Stock Photo
    Mucosa structure of the cervix
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Male sex cell — Stock Photo
    Male sex cell
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Nanostructures formed on a silicon surface — Stock Photo
    Nanostructures formed on a silicon surface
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Male sex cell — Stock Photo
    Male sex cell
    Undifferentiated pleomorphic sarcoma of bone — Stock Photo
    Undifferentiated pleomorphic sarcoma of bone
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Human blood cells — Stock Photo
    Human blood cells
    Fly head anatomy — Stock Photo
    Fly head anatomy
    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
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    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
    Liradiscus sp. planktonic unicellular algae — Stock Photo
    Liradiscus sp. planktonic unicellular algae
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Fertilization of human egg — Stock Photo
    Fertilization of human egg
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Parasitic trematode larva — Stock Photo
    Parasitic trematode larva