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    Papillae on the upper surface of a rose flower petal (Rosa sp), coloured scanning electron micrograph (SEM). — Stock Photo
    Papillae on the upper surface of a rose flower petal (Rosa sp), coloured scanning electron micrograph (SEM).
    Soil bacteria, coloured scanning electron micrograph. — Stock Photo
    Soil bacteria, coloured scanning electron micrograph.
    Red blood cells — Stock Photo
    Red blood cells
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Green colored dust mite, digital illustration. — Stock Photo
    Green colored dust mite, digital illustration.
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen. — Stock Photo
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen.
    Asparagus pollen grains — Stock Photo
    Asparagus pollen grains
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear.
    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.
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Mobile phone speaker, colored scanning electron micrograph. — Stock Photo
    Mobile phone speaker, colored scanning electron micrograph.
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot — Stock Photo
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot
    Dividing prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Dividing prostate cancer cells, coloured scanning electron micrograph.
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Healthy human skin — Stock Photo
    Healthy human skin
    Kidney stone crystals, coloured scanning electron micrograph (SEM). — Stock Photo
    Kidney stone crystals, coloured scanning electron micrograph (SEM).
    Illustration of abstract cancer cell with tentacles. — Stock Photo
    Illustration of abstract cancer cell with tentacles.
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan.
    Dog hair, coloured scanning electron micrograph (SEM).In dogs several hairs emerge from a single follicle. — Stock Photo
    Dog hair, coloured scanning electron micrograph (SEM).In dogs several hairs emerge from a single follicle.
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample. — Stock Photo
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample.
    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.
    Leech, coloured scanning electron micrograph (SEM). — Stock Photo
    Leech, coloured scanning electron micrograph (SEM).
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Soil bacteria, coloured scanning electron micrograph. — Stock Photo
    Soil bacteria, coloured scanning electron micrograph.
    Fractured bladder stone — Stock Photo
    Fractured bladder stone
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Eyelash follicle, coloured scanning electron micrograph (SEM). — Stock Photo
    Eyelash follicle, coloured scanning electron micrograph (SEM).
    Lychnocanoma radiolarian shell — Stock Photo
    Lychnocanoma radiolarian shell
    Pancreas tissue. Transmission electron micrograph (TEM) of part of the exocrine pancreas. Seen here are zymogen granules and cell nuclei. In the image the endoplasmic reticulum that fills the cytoplasm is clearly visible. — Stock Photo
    Pancreas tissue. Transmission electron micrograph (TEM) of part of the exocrine pancreas. Seen here are zymogen granules and cell nuclei. In the image the endoplasmic reticulum that fills the cytoplasm is clearly visible.
    Escherichia coli bacteria on gecko tongue — Stock Photo
    Escherichia coli bacteria on gecko tongue
    Human lip. Coloured scanning electron micrograph (SEM) of a human lip, showing sweat gland openings on the drier external lip surface. These openings (pores) release sweat onto the surface of the skin — Stock Photo
    Human lip. Coloured scanning electron micrograph (SEM) of a human lip, showing sweat gland openings on the drier external lip surface. These openings (pores) release sweat onto the surface of the skin
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Scorpion fly foot — Stock Photo
    Scorpion fly foot
    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
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Coloured scanning electron micrograph (SEM) of a fractured bile duct. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured bile duct.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Fibroblast cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Fibroblast cell, coloured scanning electron micrograph (SEM).
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample. — Stock Photo
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample.
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot — Stock Photo
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot
    Cotton bud with ear wax embedded in fibres, coloured scanning electron micrograph (SEM). — Stock Photo
    Cotton bud with ear wax embedded in fibres, coloured scanning electron micrograph (SEM).
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Dense connective tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Dense connective tissue, coloured scanning electron micrograph (SEM).
    Non-activated blood cell fragments platelets, coloured scanning electron micrograph. — Stock Photo
    Non-activated blood cell fragments platelets, coloured scanning electron micrograph.