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23679542 results

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    House dust mites — Stock Photo
    House dust mites
    Senior man with eyeglasses using digital tablet — Stock Photo
    Senior man with eyeglasses using digital tablet
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells. — Stock Photo
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Computer circuit board and human brain — Stock Photo
    Computer circuit board and human brain
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Bluebottle fly foot — Stock Photo
    Bluebottle fly foot
    Liradiscus sp. planktonic unicellular algae — Stock Photo
    Liradiscus sp. planktonic unicellular algae
    Portrait of smiling man using digital tablet on patio — Stock Photo
    Portrait of smiling man using digital tablet on patio
    Multi-generation men reading on bench — Stock Photo
    Multi-generation men reading on bench
    Colored scanning electron micrograph of rod-shaped, gram-negative bacteria Escherichia coli of human intestine. — Stock Photo
    Colored scanning electron micrograph of rod-shaped, gram-negative bacteria Escherichia coli of human intestine.
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Coloured scanning electron micrograph of bacteria from culture of breast milk. — Stock Photo
    Coloured scanning electron micrograph of bacteria from culture of breast milk.
    Woman using digital tablet in community center — Stock Photo
    Woman using digital tablet in community center
    Coloured scanning electron micrograph of bacteria cultured from mobile phone surface. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone surface.
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Laptop repairing machine in an electronic service centre — Stock Photo
    Laptop repairing machine in an electronic service centre
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Hand of woman inserting paper and pens into plotter. — Stock Photo
    Hand of woman inserting paper and pens into plotter.
    House dust mites — Stock Photo
    House dust mites
    Female mechanic using electronic diagnostic device in repair garage — Stock Photo
    Female mechanic using electronic diagnostic device in repair garage
    Happy young woman using digital tablet in cafe — Stock Photo
    Happy young woman using digital tablet in cafe
    Close-up of various electronic components in plastic boxes — Stock Photo
    Close-up of various electronic components in plastic boxes
    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
    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.
    Girl lying on the floor with teddy — Stock Photo
    Girl lying on the floor with teddy
    Senior woman using digital tablet in garden — Stock Photo
    Senior woman using digital tablet in garden
    Coloured scanning electron micrograph (SEM) of the surface of a tomato leaf. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the surface of a tomato leaf.
    Young successful businessman using electronic devices and eating noodles — Stock Photo
    Young successful businessman using electronic devices and eating noodles
    Coloured scanning electron micrograph of bacteria cultured from mobile phone. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone.
    Two teenage boys sitting in room and using electronic devices — Stock Photo
    Two teenage boys sitting in room and using electronic devices
    Recovery room in a modern hospital, post-operative recovery, patient bays with curtains — Stock Photo
    Recovery room in a modern hospital, post-operative recovery, patient bays with curtains
    Bluebottle fly head — Stock Photo
    Bluebottle fly head
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Senior woman using digital tablet in garden — Stock Photo
    Senior woman using digital tablet in garden
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    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
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Portrait of smiling man using digital tablet in bed — Stock Photo
    Portrait of smiling man using digital tablet in bed
    Colored scanning electron micrograph of anthrax gram-positive, rod-shaped bacteria known as Bacillus anthracis. — Stock Photo
    Colored scanning electron micrograph of anthrax gram-positive, rod-shaped bacteria known as Bacillus anthracis.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Leech, coloured scanning electron micrograph (SEM). — Stock Photo
    Leech, coloured scanning electron micrograph (SEM).
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is blue. Mitochondria (cyan)) in the cell's cytoplasm produce energy for the cell. Lysosomes (red) contain enzymes for digesting foreign particles. M — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is blue. Mitochondria (cyan)) in the cell's cytoplasm produce energy for the cell. Lysosomes (red) contain enzymes for digesting foreign particles. M
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    Atmospheric view of silhouette of crowd at concert — Stock Photo
    Atmospheric view of silhouette of crowd at concert
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (yellow) — 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 (yellow)
    Side view of woman in sunglasses smoking electronic cigarette on street in barcelona — Stock Photo
    Side view of woman in sunglasses smoking electronic cigarette on street in barcelona
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms. — Stock Photo
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms.
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Young man using digital tablet while sitting in cafe with cup of coffee. — Stock Photo
    Young man using digital tablet while sitting in cafe with cup of coffee.
    Mechanic using electronic diagnostic device in repair garage — Stock Photo
    Mechanic using electronic diagnostic device in repair garage
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Son helping senior father paying bills at laptop — Stock Photo
    Son helping senior father paying bills at laptop