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    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Coloured scanning electron micrograph (SEM) of sensory inner hair cells from the organ of corti, in the cochlea of the inner ear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of sensory inner hair cells from the organ of corti, in the cochlea of the inner ear.
    Red blood cells — Stock Photo
    Red blood cells
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Coloured scanning electron micrograph of tardigrade water bear. — Stock Photo
    Coloured scanning electron micrograph of tardigrade water bear.
    House dust mites — Stock Photo
    House dust mites
    Bluebottle fly foot — Stock Photo
    Bluebottle fly foot
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Lymphocyte white blood cell — Stock Photo
    Lymphocyte white blood cell
    Colorectal cancer cell dividing — Stock Photo
    Colorectal cancer cell dividing
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Coloured scanning electron micrograph (SEM) Pet dander. dog hair, cat hair and dead skin. — Stock Photo
    Coloured scanning electron micrograph (SEM) Pet dander. dog hair, cat hair and dead skin.
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs — Stock Photo
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Sapphire, SEM — Stock Photo
    Sapphire, SEM
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cells, coloured scanning electron micrograph.
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species — Stock Photo
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species
    Activated blood cell fragments platelets, coloured scanning electron micrograph. — Stock Photo
    Activated blood cell fragments platelets, coloured scanning electron micrograph.
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Mycobacterium smegmatis bacteria — Stock Photo
    Mycobacterium smegmatis bacteria
    Stick insect foot — Stock Photo
    Stick insect foot
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Coloured scanning electron micrograph (SEM) of Komagataella phaffii - methylotrophic yeast. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Komagataella phaffii - methylotrophic yeast.
    Scanning electron micrograph (SEM) of sarcoma cells in culture. — Stock Photo
    Scanning electron micrograph (SEM) of sarcoma cells in culture.
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Protozoan infection in human intestinal lumen — Stock Photo
    Protozoan infection in human intestinal lumen
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid — Stock Photo
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Coloured scanning electron micrograph (SEM) of the inner lining of the stomach (gastric mucosa). — Stock Photo
    Coloured scanning electron micrograph (SEM) of the inner lining of the stomach (gastric mucosa).
    Coloured scanning electron micrograph of breast cancer cell. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cell.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Abstract coloured scanning electron micrograph of crystalline surface of fractured gallstone. — Stock Photo
    Abstract coloured scanning electron micrograph of crystalline surface of fractured gallstone.
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats — Stock Photo
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Male sex cell — Stock Photo
    Male sex cell
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Coloured scanning electron micrograph (SEM) of the interior of bone from a bird skull. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the interior of bone from a bird skull.
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli. — Stock Photo
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli.
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.