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    Red and white blood cells aggregating — Stock Photo
    Red and white blood cells aggregating
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Coloured scanning electron micrograph (SEM) of sensory inner hair cells from the organ of corti, in the cochlea of the inner ear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of sensory inner hair cells from the organ of corti, in the cochlea of the inner ear.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Respiratory syncytial virus — Stock Photo
    Respiratory syncytial virus
    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.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats — Stock Photo
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Senior woman using digital tablet in garden — Stock Photo
    Senior woman using digital tablet in garden
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    Mature virus and budding release of HIV — Stock Photo
    Mature virus and budding release of HIV
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Caenorhabditis elegans parasite worm, colored scanning electron micrograph. — Stock Photo
    Caenorhabditis elegans parasite worm, colored scanning electron micrograph.
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs — Stock Photo
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs
    Colored scanning electron micrograph of cancer cells from human colon. — Stock Photo
    Colored scanning electron micrograph of cancer cells from human colon.
    Multi-generation men reading on bench — Stock Photo
    Multi-generation men reading on bench
    Man working on desktop pc in an electronics repair centre — Stock Photo
    Man working on desktop pc in an electronics repair centre
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Man sitting on couch and reading electronic book at home — Stock Photo
    Man sitting on couch and reading electronic book at home
    Albumen crystals, coloured scanning electron micrograph (SEM). — Stock Photo
    Albumen crystals, coloured scanning electron micrograph (SEM).
    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    Stick insect foot — Stock Photo
    Stick insect foot
    Female mechanic using electronic diagnostic device in repair garage — Stock Photo
    Female mechanic using electronic diagnostic device in repair garage
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Printed circuit board production process in high tech factory. — Stock Photo
    Printed circuit board production process in high tech factory.
    Portrait confident young woman in wheelchair using laptop at dining table — Stock Photo
    Portrait confident young woman in wheelchair using laptop at dining table
    Soil bacteria, coloured scanning electron micrograph. — Stock Photo
    Soil bacteria, coloured scanning electron micrograph.
    Coloured scanning electron micrograph of bacteria cultured from used dishcloth. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from used dishcloth.
    Coloured scanning electron micrograph of the rod-shaped, Gram-negative bacteria Escherichia coli, commonly known as E. coli — Stock Photo
    Coloured scanning electron micrograph of the rod-shaped, Gram-negative bacteria Escherichia coli, commonly known as E. coli
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Activated platelets with canalicular system — Stock Photo
    Activated platelets with canalicular system
    Coloured scanning electron micrograph (SEM) of sensory hair cells in the cochlea of the inner ear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of sensory hair cells in the cochlea of the inner ear.
    Close-up of various electronic components in plastic boxes — Stock Photo
    Close-up of various electronic components in plastic boxes
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Protozoan infection in human intestinal lumen — Stock Photo
    Protozoan infection in human intestinal lumen
    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
    Businesswoman using digital tablet in park — Stock Photo
    Businesswoman using digital tablet in park
    Female mechanic using electronic diagnostic device in repair garage — Stock Photo
    Female mechanic using electronic diagnostic device in repair garage
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Colored scanning electron micrograph of protective dendritic cell of immune system. — Stock Photo
    Colored scanning electron micrograph of protective dendritic cell of immune system.
    Scorpion fly foot — Stock Photo
    Scorpion fly foot
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    Cat flea head — Stock Photo
    Cat flea head
    Male electrician students practicing in workshop — Stock Photo
    Male electrician students practicing in workshop
    Mother with sleeping baby girl using digital tablet — Stock Photo
    Mother with sleeping baby girl using digital tablet
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Couple paying bills at digital tablet at dining table — Stock Photo
    Couple paying bills at digital tablet at dining table
    Abstract view of electron tree. — Stock Photo
    Abstract view of electron tree.
    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).
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    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.
    Hands holding credit card and using laptop. Online shopping,Man paying with credit card on smart phone at home office — Stock Photo
    Hands holding credit card and using laptop. Online shopping,Man paying with credit card on smart phone at home office
    Coloured scanning electron micrograph of bacteria cultured from used dishcloth. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from used dishcloth.
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system — Stock Photo
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell