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    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.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Student in wheelchair studying furnace electronic control system in HVAC classroom — Stock Photo
    Student in wheelchair studying furnace electronic control system in HVAC classroom
    Coloured scanning electron micrograph of bacteria from culture of breast milk. — Stock Photo
    Coloured scanning electron micrograph of bacteria from culture of breast milk.
    Man using credit card and laptop computer shopping online at home — Stock Photo
    Man using credit card and laptop computer shopping online at home
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli. — Stock Photo
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli.
    Human hair Caucasian brunette, coloured scanning electron micrograph. — Stock Photo
    Human hair Caucasian brunette, coloured 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
    Computer circuit boards — Stock Photo
    Computer circuit boards
    Female mechanic using electronic diagnostic device in repair garage — Stock Photo
    Female mechanic using electronic diagnostic device in repair garage
    Portrait of smiling man using digital tablet on patio — Stock Photo
    Portrait of smiling man using digital tablet on patio
    Man using credit card and laptop computer shopping online at home — Stock Photo
    Man using credit card and laptop computer shopping online at home
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Vaccinia virus particle — Stock Photo
    Vaccinia virus particle
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    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.
    Elementary age boy outdoors leaning against rock and using handheld electronic game. — Stock Photo
    Elementary age boy outdoors leaning against rock and using handheld electronic game.
    Businessman using digital tablet in office — Stock Photo
    Businessman using digital tablet in office
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Dental floss with cheek cells — Stock Photo
    Dental floss with cheek cells
    Family using electronics gadget — Stock Photo
    Family using electronics gadget
    Bird bone tissue — Stock Photo
    Bird bone tissue
    Young woman in wheelchair using laptop at dining table — Stock Photo
    Young woman in wheelchair using laptop at dining table
    Woman drinking coffee using digital tablet at balcony railing — Stock Photo
    Woman drinking coffee using digital tablet at balcony railing
    Portrait smiling senior woman using digital tablet — Stock Photo
    Portrait smiling senior woman using digital tablet
    Leech, coloured scanning electron micrograph (SEM). — Stock Photo
    Leech, coloured scanning electron micrograph (SEM).
    Pensive woman using digital tablet at table at home — Stock Photo
    Pensive woman using digital tablet at table at home
    Smiling woman listening to music with headphones and mp3 player in kitchen — Stock Photo
    Smiling woman listening to music with headphones and mp3 player in kitchen
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli. — Stock Photo
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli.
    Father and son using digital tablet in bed — Stock Photo
    Father and son using digital tablet in bed
    Multi-ethnic father and daughters playing behind mother working at laptop on living room floor — Stock Photo
    Multi-ethnic father and daughters playing behind mother working at laptop on living room floor
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Female copepod with eggs — Stock Photo
    Female copepod with eggs
    Blue colored dust mite, digital illustration. — Stock Photo
    Blue colored dust mite, digital illustration.
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres. — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres.
    Eyelash follicle, coloured scanning electron micrograph (SEM). — Stock Photo
    Eyelash follicle, coloured scanning electron micrograph (SEM).
    Young attractive couple relaxing poolside — Stock Photo
    Young attractive couple relaxing poolside
    Cable installer adjusting filter on cable connection — Stock Photo
    Cable installer adjusting filter on cable connection
    Mother explaining daughter about circuit board in office. — Stock Photo
    Mother explaining daughter about circuit board in office.
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell
    Teenage girls drinking coffee and using digital tablets — Stock Photo
    Teenage girls drinking coffee and using digital tablets
    Recovery room outside the operating theatre in a hospital. Drapes, blue curtains around patient bays — Stock Photo
    Recovery room outside the operating theatre in a hospital. Drapes, blue curtains around patient bays
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Businesswoman standing in sunny office — Stock Photo
    Businesswoman standing in sunny office
    Bacteria forming Dental plaque — Stock Photo
    Bacteria forming Dental plaque
    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
    Coloured scanning electron micrograph of breast cancer cell. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cell.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators — Stock Photo
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear.
    Young man holding digital tablet and looking in camera while sitting in cafe with cup of coffee. — Stock Photo
    Young man holding digital tablet and looking in camera while sitting in cafe with cup of coffee.
    Intestinal microvilli. Coloured scanning electron micrograph (SEM) of microvilli from the small intestine. These tiny structures form a dense brush-like covering on the absorptive surfaces of the cells lining the small intestine — Stock Photo
    Intestinal microvilli. Coloured scanning electron micrograph (SEM) of microvilli from the small intestine. These tiny structures form a dense brush-like covering on the absorptive surfaces of the cells lining the small intestine
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Man using digital tablet on bed — Stock Photo
    Man using digital tablet on bed
    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)