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    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph.
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    Red blood cells — Stock Photo
    Red blood cells
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Mycobacterium smegmatis bacteria — Stock Photo
    Mycobacterium smegmatis bacteria
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( blue) is an insulating fatty layer that surrounds the myelinated nerve fibres (pink) — Stock Photo
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( blue) is an insulating fatty layer that surrounds the myelinated nerve fibres (pink)
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    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
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    Lung tissue, coloured transmission electron micrograph (TEM). A pulmonary capillary containing two red blood cells (red) and three platelets (blue). A basement membrane (pink) surround the endothelium separating it from the alveolar epithelium — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM). A pulmonary capillary containing two red blood cells (red) and three platelets (blue). A basement membrane (pink) surround the endothelium separating it from the alveolar epithelium
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    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
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear. — Stock Photo
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear.
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower.
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    House dust mites — Stock Photo
    House dust mites
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    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
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    Intestinal brush border in small intestine showing numerous microvilli, colored transmission electron micrograph. — Stock Photo
    Intestinal brush border in small intestine showing numerous microvilli, colored transmission electron micrograph.
    Used surgical swab — Stock Photo
    Used surgical swab
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    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.
    Flowering currant pollen grains — Stock Photo
    Flowering currant pollen grains
    Male sex cell — Stock Photo
    Male sex cell
    Pancreatic cancer cells — Stock Photo
    Pancreatic cancer cells
    Cilia covering the epithelial lining of the nasopharyx — Stock Photo
    Cilia covering the epithelial lining of the nasopharyx
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms. — Stock Photo
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms.
    Oligodendrocyte cell structure — Stock Photo
    Oligodendrocyte cell structure
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Mobile phone speaker, colored scanning electron micrograph. — Stock Photo
    Mobile phone speaker, colored scanning electron micrograph.
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Bird bone tissue — Stock Photo
    Bird bone tissue
    Coloured scanning electron micrograph of tardigrade water bear. — Stock Photo
    Coloured scanning electron micrograph of tardigrade water bear.
    Bacteria from a coin. Coloured scanning electron micrograph (SEM) of bacteria cultured from a english one pound coin — Stock Photo
    Bacteria from a coin. Coloured scanning electron micrograph (SEM) of bacteria cultured from a english one pound coin
    Colored scanning electron micrograph of osteosarcoma bone cancer cell. — Stock Photo
    Colored scanning electron micrograph of osteosarcoma bone cancer cell.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery. — Stock Photo
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery.
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    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.
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (blue) — Stock Photo
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (blue)
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.