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    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (pink) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (pink)
    Components of house dust — Stock Photo
    Components of house dust
    Young woman with credit card and headphones online shopping at laptop on living room sofa — Stock Photo
    Young woman with credit card and headphones online shopping at laptop on living room sofa
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Senior woman using digital tablet in backyard — Stock Photo
    Senior woman using digital tablet in backyard
    Young woman inserting paper and pens into plotter in laboratory. — Stock Photo
    Young woman inserting paper and pens into plotter in laboratory.
    Older caucasian women using digital tablet on sofa — Stock Photo
    Older caucasian women using digital tablet on sofa
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species — Stock Photo
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species
    Asparagus beetle head — Stock Photo
    Asparagus beetle head
    Chinese couple buying air conditioner in electronics store — Stock Photo
    Chinese couple buying air conditioner in electronics store
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells — Stock Photo
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple. — Stock Photo
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple.
    Colored scanning electron micrograph of osteoblast osteocyte bone cell. — Stock Photo
    Colored scanning electron micrograph of osteoblast osteocyte bone cell.
    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.
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue).
    Side view of sitting businessman using mobile phone in the modern office with coworkers discussing over digital tablet int he background — Stock Photo
    Side view of sitting businessman using mobile phone in the modern office with coworkers discussing over digital tablet int he background
    Son helping senior father paying bills at laptop — Stock Photo
    Son helping senior father paying bills at laptop
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Eleven year-old bi-racial girl working on laptop on bed — Stock Photo
    Eleven year-old bi-racial girl working on laptop on bed
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Colored scanning electron micrograph image of tooth dentine, mineralised connective tissue found under tooth enamel. — Stock Photo
    Colored scanning electron micrograph image of tooth dentine, mineralised connective tissue found under tooth enamel.
    Woman using digital tablet on sofa and looking at camera — Stock Photo
    Woman using digital tablet on sofa and looking at camera
    Actinocyclus sp. diatom unicellular algae — Stock Photo
    Actinocyclus sp. diatom unicellular algae
    Dense connective tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Dense connective tissue, coloured scanning electron micrograph (SEM).
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Portrait teenage girls gesturing peace sign — Stock Photo
    Portrait teenage girls gesturing peace sign
    Young boy with eyes closed cooling off in front of a fan in dark room — Stock Photo
    Young boy with eyes closed cooling off in front of a fan in dark room
    Senior man using digital tablet in kitchen — Stock Photo
    Senior man using digital tablet in kitchen
    Smiling woman with red hair using digital tablet and drinking coffee at balcony railing — Stock Photo
    Smiling woman with red hair using digital tablet and drinking coffee at balcony railing
    Electronic repairing machine in repair centre — Stock Photo
    Electronic repairing machine in repair centre
    Coloured scanning electron micrograph of cancer cell from human colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cell from human colon.
    Business man with protective face mask using phone on city street — Stock Photo
    Business man with protective face mask using phone on city street
    Man using digital tablet lying on the bed — Stock Photo
    Man using digital tablet lying on the bed
    Coloured scanning electron micrograph intricately structured microscopic brochosomes granules secreted by leafhopper. — Stock Photo
    Coloured scanning electron micrograph intricately structured microscopic brochosomes granules secreted by leafhopper.
    Man using credit card and laptop computer shopping online at home — Stock Photo
    Man using credit card and laptop computer shopping online at home
    Vaccinia virus particle — Stock Photo
    Vaccinia virus particle
    Portrait of young woman in sunglasses smoking electronic cigarette on street in barcelona — Stock Photo
    Portrait of young woman in sunglasses smoking electronic cigarette on street in barcelona
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium — Stock Photo
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    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
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Couple paying bills at digital tablet at dining room table — Stock Photo
    Couple paying bills at digital tablet at dining room table
    Teenage girls playing guitar and using digital tablet on bed — Stock Photo
    Teenage girls playing guitar and using digital tablet on bed
    Couple using digital tablet on blanket outdoors — Stock Photo
    Couple using digital tablet on blanket outdoors
    Blood clot structure — Stock Photo
    Blood clot structure
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Woman buying potted plant in garden centre — Stock Photo
    Woman buying potted plant in garden centre
    Woman practicing yoga with laptop computer at her home — Stock Photo
    Woman practicing yoga with laptop computer at her home
    Young attractive couple using digital tablet poolside — Stock Photo
    Young attractive couple using digital tablet poolside
    Smiling man using digital tablet in bed — Stock Photo
    Smiling man using digital tablet in bed
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Grandfather and grandsons relaxing in doorway — Stock Photo
    Grandfather and grandsons relaxing in doorway
    Mid section of airport security officer holding metal detector in airport terminal — Stock Photo
    Mid section of airport security officer holding metal detector in airport terminal