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    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body — Stock Photo
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body
    Electrical engineer working on circuit board and pressing buttons of electronic device. — Stock Photo
    Electrical engineer working on circuit board and pressing buttons of electronic device.
    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.
    Chicken eggshell cross section — Stock Photo
    Chicken eggshell cross section
    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.
    Commuters using electronic devices in waiting room at airport — Stock Photo
    Commuters using electronic devices in waiting room at airport
    Lovely couple using the electronic binoculars at Gardens by the Bay — Stock Photo
    Lovely couple using the electronic binoculars at Gardens by the Bay
    Boy using digital tablet under sheet — Stock Photo
    Boy using digital tablet under sheet
    Back view of woman in sunglasses smoking electronic cigarette on street in barcelona — Stock Photo
    Back view of woman in sunglasses smoking electronic cigarette on street in barcelona
    Male electrician student practicing in workshop — Stock Photo
    Male electrician student practicing in workshop
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Scanning electron micrograph (SEM) of sarcoma cells in culture. — Stock Photo
    Scanning electron micrograph (SEM) of sarcoma cells in culture.
    Colored scanning electron micrograph of breast cancer cell. — Stock Photo
    Colored scanning electron micrograph of breast cancer cell.
    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
    Senior caucasian woman using digital tablet on sofa — Stock Photo
    Senior caucasian woman using digital tablet on sofa
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Dividing prostate gland cancer cells, colored scanning electron micrograph. — Stock Photo
    Dividing prostate gland cancer cells, colored scanning electron micrograph.
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Businesswoman with digital tablet at office — Stock Photo
    Businesswoman with digital tablet at office
    Human red blood cells — Stock Photo
    Human red blood cells
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Technology has captured the imagination of every generation. — Stock Photo
    Technology has captured the imagination of every generation.
    Protozoan infection in human intestinal lumen — Stock Photo
    Protozoan infection in human intestinal lumen
    Zebrafish young. Coloured scanning electron micrograph (SEM) of newly-hatched zebrafish (Danio rerio) young or fry. These fish are used to study embryonic development. The eyes (red) are seen in the heads. Zebrafish eggs are transparent — Stock Photo
    Zebrafish young. Coloured scanning electron micrograph (SEM) of newly-hatched zebrafish (Danio rerio) young or fry. These fish are used to study embryonic development. The eyes (red) are seen in the heads. Zebrafish eggs are transparent
    Close up portrait of smiling woman using digital tablet — Stock Photo
    Close up portrait of smiling woman using digital tablet
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Illustration of abstract cancer cell with tentacles on plain background. — Stock Photo
    Illustration of abstract cancer cell with tentacles on plain background.
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Colorectal cancer cell dividing — Stock Photo
    Colorectal cancer cell dividing
    Peripheral nerve. Black and white transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin (dark rings) is an insulating fatty layer that surrounds the myelinated nerve fibres — Stock Photo
    Peripheral nerve. Black and white transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin (dark rings) is an insulating fatty layer that surrounds the myelinated nerve fibres
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Pancreatic cells. Colored transmission electron micrograph (TEM) of acinar (exocrine) pancreatic cells (red) adjacent to hormone- secreting (endocrine) Islet of Langerhans cells (yellow) — Stock Photo
    Pancreatic cells. Colored transmission electron micrograph (TEM) of acinar (exocrine) pancreatic cells (red) adjacent to hormone- secreting (endocrine) Islet of Langerhans cells (yellow)
    Blonde woman using digital tablet in cafe — Stock Photo
    Blonde woman using digital tablet in cafe
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Teenage girl with digital tablet doing homework at desk — Stock Photo
    Teenage girl with digital tablet doing homework at desk
    Leech, coloured scanning electron micrograph (SEM). — Stock Photo
    Leech, coloured scanning electron micrograph (SEM).
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Female photographer using electronic device in photo studio — Stock Photo
    Female photographer using electronic device in photo studio
    Man's hand with credit card swipe through terminal for sale,Close up of hand using credit card swiping machine to pay,vintage style — Stock Photo
    Man's hand with credit card swipe through terminal for sale,Close up of hand using credit card swiping machine to pay,vintage style
    Man repairing an electronic device using soldering iron in service center — Stock Photo
    Man repairing an electronic device using soldering iron in service center
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Mature virus and budding release of HIV — Stock Photo
    Mature virus and budding release of HIV
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Mobile phone speaker, colored scanning electron micrograph. — Stock Photo
    Mobile phone speaker, colored scanning electron micrograph.
    Cable installer adjusting filter on cable connection — Stock Photo
    Cable installer adjusting filter on cable connection
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    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.
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus — Stock Photo
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus
    Mother and daughters using digital tablet in airport departure area — Stock Photo
    Mother and daughters using digital tablet in airport departure area
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Zika virus particles — Stock Photo
    Zika virus particles
    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 human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte. — Stock Photo
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte.
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell
    Woman connecting to social media using digital tablet — Stock Photo
    Woman connecting to social media using digital tablet