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    Colored scanning electron micrograph of metal nanoparticles formed by laser ablation. — Stock Photo
    Colored scanning electron micrograph of metal nanoparticles formed by laser ablation.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    False-colour scanning electron micrograph of a section of healthy lung tissue, showing the microscopic air sacs (alveoli) where gas exchange takes place. — Stock Photo
    False-colour scanning electron micrograph of a section of healthy lung tissue, showing the microscopic air sacs (alveoli) where gas exchange takes place.
    Colored scanning electron micrograph of nanostructures formed on nickel surface. — Stock Photo
    Colored scanning electron micrograph of nanostructures formed on nickel surface.
    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.
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph. — Stock Photo
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph.
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    House dust mites — Stock Photo
    House dust mites
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue. — Stock Photo
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Male sex cell — Stock Photo
    Male sex cell
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Colored scanning electron micrograph of protective dendritic cell of immune system. — Stock Photo
    Colored scanning electron micrograph of protective dendritic cell of immune system.
    Coloured scanning electron micrograph of bacteria cultured from mobile phone surface. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone surface.
    Male sex cell — Stock Photo
    Male sex cell
    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.
    Coloured scanning electron micrograph (SEM) of Cotton t-shirt collar with dirt, dead skin, etc. embedded in fibres. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Cotton t-shirt collar with dirt, dead skin, etc. embedded in fibres.
    Woodland skipper butterfly — Stock Photo
    Woodland skipper butterfly
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Coloured scanning electron micrograph (SEM) of uric acid crystals. — Stock Photo
    Coloured scanning electron micrograph (SEM) of uric acid crystals.
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Lymphoma cancer cell. Coloured scanning electron micrograph (SEM) of a lymphoma cell showing early apoptotic changes. A lymphoma is a cell of the immune system that has become cancerous. The cell becomes immortal and can grow indefinitely — Stock Photo
    Lymphoma cancer cell. Coloured scanning electron micrograph (SEM) of a lymphoma cell showing early apoptotic changes. A lymphoma is a cell of the immune system that has become cancerous. The cell becomes immortal and can grow indefinitely
    Dog tapeworm head — Stock Photo
    Dog tapeworm head
    Coloured scanning electron micrograph (SEM) of a fracture through the thyroid gland revealing several follicles (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fracture through the thyroid gland revealing several follicles (yellow).
    Coloured scanning electron micrograph of human cancellous spongy bone tissue. — Stock Photo
    Coloured scanning electron micrograph of human cancellous spongy bone tissue.
    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 cancellous bone tissue from starling bird skull. — Stock Photo
    Colored scanning electron micrograph of cancellous bone tissue from starling bird skull.
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Coloured scanning electron micrograph (SEM) of a wood anemone (Anemone nemerosa) anther (male reproductive part) covered in pollen. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a wood anemone (Anemone nemerosa) anther (male reproductive part) covered in pollen.
    House dust mites — Stock Photo
    House dust mites
    Coloured scanning electron micrograph of tardigrade water bear. — Stock Photo
    Coloured scanning electron micrograph of tardigrade water bear.
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Scanning electron micrograph of head of pork tapeworm intestinal parasite. — Stock Photo
    Scanning electron micrograph of head of pork tapeworm intestinal parasite.
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Coloured scanning electron micrograph of bacteria from culture of breast milk. — Stock Photo
    Coloured scanning electron micrograph of bacteria from culture of breast milk.
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Mycobacterium smegmatis bacteria — Stock Photo
    Mycobacterium smegmatis bacteria
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Coloured scanning electron micrograph (SEM) of a section through a muscle fibre. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a muscle fibre.
    Human red blood cells — Stock Photo
    Human red blood cells
    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
    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.
    Cardiac muscle from a healthy heart — Stock Photo
    Cardiac muscle from a healthy heart
    Marjoram (Origanum vilgare) leaf surface, coloured scanning electron micrograph (SEM). — Stock Photo
    Marjoram (Origanum vilgare) leaf surface, coloured scanning electron micrograph (SEM).
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood — Stock Photo
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood
    Woodland skipper butterfly compound eye — Stock Photo
    Woodland skipper butterfly compound eye
    Green colored dust mite, digital illustration. — Stock Photo
    Green colored dust mite, digital illustration.
    Dental plaque scanning electron micrograph — Stock Photo
    Dental plaque scanning electron micrograph
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Sapphire, SEM — Stock Photo
    Sapphire, SEM
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    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.
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system