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    Soil bacteria, coloured scanning electron micrograph. — Stock Photo
    Soil bacteria, coloured scanning electron micrograph.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes).
    Cancellous Bone tissue — Stock Photo
    Cancellous Bone tissue
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections — Stock Photo
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections
    Colored scanning electron micrograph of cancellous bone tissue from starling bird skull. — Stock Photo
    Colored scanning electron micrograph of cancellous bone tissue from starling bird skull.
    Colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer. — Stock Photo
    Colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer.
    Dog tapeworm head — Stock Photo
    Dog tapeworm head
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant. — Stock Photo
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant.
    Osteoblasts. Colored transmission electron micrograph (TEM) of osteoblasts, bone-producing cells (purple and pink). They contain rough endoplasmic reticulum (RER), which produces, modifies and transports proteins, and nucleus — Stock Photo
    Osteoblasts. Colored transmission electron micrograph (TEM) of osteoblasts, bone-producing cells (purple and pink). They contain rough endoplasmic reticulum (RER), which produces, modifies and transports proteins, and nucleus
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Cardiac muscle from a healthy heart — Stock Photo
    Cardiac muscle from a healthy heart
    Eyelash follicle, coloured scanning electron micrograph (SEM). — Stock Photo
    Eyelash follicle, coloured scanning electron micrograph (SEM).
    Knee of obese patient with arthritis — Stock Photo
    Knee of obese patient with arthritis
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte. — Stock Photo
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte.
    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
    Colored X-ray of section through thoracic spine of senior male patient with ankylosing spondylitis with severe degeneration of lower thoracic spine. — Stock Photo
    Colored X-ray of section through thoracic spine of senior male patient with ankylosing spondylitis with severe degeneration of lower thoracic spine.
    Total hip replacement, — Stock Photo
    Total hip replacement,
    Green colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer. — Stock Photo
    Green colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer.
    Red and white blood cells aggregating — Stock Photo
    Red and white blood cells aggregating
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Colored scanning electron micrograph image of tooth dentine, mineralised connective tissue found under tooth enamel. — Stock Photo
    Colored scanning electron micrograph image of tooth dentine, mineralised connective tissue found under tooth enamel.
    Dividing prostate gland cancer cells, colored scanning electron micrograph. — Stock Photo
    Dividing prostate gland cancer cells, colored scanning electron micrograph.
    Zika virus particles — Stock Photo
    Zika virus particles
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli. — Stock Photo
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli.
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Human hair Caucasian brunette, coloured scanning electron micrograph. — Stock Photo
    Human hair Caucasian brunette, coloured scanning electron micrograph.
    Human red blood cells — Stock Photo
    Human red blood cells
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus. — Stock Photo
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus.
    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
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Red blood cells — Stock Photo
    Red blood cells
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Blade of grass with a serrated edge — Stock Photo
    Blade of grass with a serrated edge
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple. — Stock Photo
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple.
    Pair of child's jelly shoes, coloured X-ray. — Stock Photo
    Pair of child's jelly shoes, coloured X-ray.
    Dividing prostate gland cancer cells, colored scanning electron micrograph. — Stock Photo
    Dividing prostate gland cancer cells, colored scanning electron micrograph.
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Fractured ankle bone, computer illustration — Stock Photo
    Fractured ankle bone, computer illustration
    Coloured scanning electron micrograph of cancer cell from human colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cell from human colon.
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Coloured scanning electron micrograph intricately structured microscopic brochosomes granules secreted by leafhopper. — Stock Photo
    Coloured scanning electron micrograph intricately structured microscopic brochosomes granules secreted by leafhopper.
    Radiolaria protozoa shells — Stock Photo
    Radiolaria protozoa shells
    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.
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM). — Stock Photo
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM).
    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
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum — Stock Photo
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Allergenic pet dander on dog hair, colored scanning electron micrograph. — Stock Photo
    Allergenic pet dander on dog hair, colored scanning electron micrograph.
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium — Stock Photo
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium
    Human head louse on human hair — Stock Photo
    Human head louse on human hair
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Human hair, coloured scanning electron micrograph (SEM). — Stock Photo
    Human hair, coloured scanning electron micrograph (SEM).
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum