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    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink).
    Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin.
    Surface of the foot of a common pollen beetle — Stock Photo
    Surface of the foot of a common pollen beetle
    Nasturtium leaf. Coloured scanning electron micrograph (SEM) of the underside of a nasturtium leaf (Tropaeolum sp.). Numerous hairs (trichomes) cover the surface — Stock Photo
    Nasturtium leaf. Coloured scanning electron micrograph (SEM) of the underside of a nasturtium leaf (Tropaeolum sp.). Numerous hairs (trichomes) cover the surface
    Total hip replacement, — Stock Photo
    Total hip replacement,
    Coloured scanning electron micrograph (SEM) of Coal from the ship Titanic. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Coal from the ship Titanic.
    Caenorhabditis elegans parasite worm, colored scanning electron micrograph. — Stock Photo
    Caenorhabditis elegans parasite worm, colored scanning electron micrograph.
    Digital illustration of multiple threadworms in human intestine. — Stock Photo
    Digital illustration of multiple threadworms in human intestine.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Intestinal lining. Coloured scanning electron micrograph (SEM) of a freeze-fractured of the small intestine. The surface consists of deep folds, called villi. The intestinal surface( yellow) is exposed to food — Stock Photo
    Intestinal lining. Coloured scanning electron micrograph (SEM) of a freeze-fractured of the small intestine. The surface consists of deep folds, called villi. The intestinal surface( yellow) is exposed to food
    Digital illustration of multiple threadworms in human intestine. — Stock Photo
    Digital illustration of multiple threadworms in human intestine.
    Colored scanning electron micrograph of osteosarcoma bone cancer cell. — Stock Photo
    Colored scanning electron micrograph of osteosarcoma bone cancer cell.
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Conductive vessel element in mountain mahogany wood (Cercocarpus sp), coloured scanning electron micrograph (SEM). — Stock Photo
    Conductive vessel element in mountain mahogany wood (Cercocarpus sp), coloured scanning electron micrograph (SEM).
    Horse chestnut leaf. Coloured scanning electron micrograph (SEM) of the underside of a horse chestnut leaf (Aesculus hippocastanum) Numerous hairs (trichomes) cover the surface — Stock Photo
    Horse chestnut leaf. Coloured scanning electron micrograph (SEM) of the underside of a horse chestnut leaf (Aesculus hippocastanum) Numerous hairs (trichomes) cover the surface
    Coloured scanning electron micrograph (SEM) of a freeze fracture of the vagina showing the stratified squamous epithelium and the underlying lamina propria — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze fracture of the vagina showing the stratified squamous epithelium and the underlying lamina propria
    Allergenic pet dander on dog hair, colored scanning electron micrograph. — Stock Photo
    Allergenic pet dander on dog hair, colored scanning electron micrograph.
    Blade of grass with a serrated edge — Stock Photo
    Blade of grass with a serrated edge
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Dividing prostate gland cancer cells, colored scanning electron micrograph. — Stock Photo
    Dividing prostate gland cancer cells, colored scanning electron micrograph.
    Clostridium phytofermentans bacteria — Stock Photo
    Clostridium phytofermentans bacteria
    Human red blood cells and platelets — Stock Photo
    Human red blood cells and platelets
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    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.
    Pinned fractured hip — Stock Photo
    Pinned fractured hip
    Campylobacter jejuni bacteria with flagella, digital artwork. — Stock Photo
    Campylobacter jejuni bacteria with flagella, digital artwork.
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph. — Stock Photo
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph.
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    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
    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.
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Woodland skipper butterfly compound eye — Stock Photo
    Woodland skipper butterfly compound eye
    Coloured chest X-ray showing aspiration (dark areas) in the lungs of a 76-year-old female patient with an extensive brain haemorrhage. — Stock Photo
    Coloured chest X-ray showing aspiration (dark areas) in the lungs of a 76-year-old female patient with an extensive brain haemorrhage.
    Breast cancer screening — Stock Photo
    Breast cancer screening
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth. — Stock Photo
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth.
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    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.
    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.
    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.
    Colored angiogram of carotid artery in neck of mature patient. — Stock Photo
    Colored angiogram of carotid artery in neck of mature patient.
    Tumour affecting the pituitary gland — Stock Photo
    Tumour affecting the pituitary gland
    Human red blood cells — Stock Photo
    Human red blood cells
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph.
    Yellow colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer. — Stock Photo
    Yellow colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer.
    Mature virus and budding release of HIV — Stock Photo
    Mature virus and budding release of HIV
    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 ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    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
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Degenerative foot deformation — Stock Photo
    Degenerative foot deformation
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines — Stock Photo
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Coloured scanning electron micrograph of human cancellous spongy bone tissue. — Stock Photo
    Coloured scanning electron micrograph of human cancellous spongy bone tissue.
    Colored scanning electron micrograph of scales from silverfish insect living fossil. — Stock Photo
    Colored scanning electron micrograph of scales from silverfish insect living fossil.
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti. — Stock Photo
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti.
    Blade of grass with a serrated edge — Stock Photo
    Blade of grass with a serrated edge
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown) — Stock Photo
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown)
    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.