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    Male sex cell — Stock Photo
    Male sex cell
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    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).
    Helicobacter pylori bacterium — Stock Photo
    Helicobacter pylori bacterium
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    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.
    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.
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery. — Stock Photo
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery.
    Primrose (Primula sp.) pollen grain, coloured scanning electron micrograph (SEM). — Stock Photo
    Primrose (Primula sp.) pollen grain, coloured scanning electron micrograph (SEM).
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines — Stock Photo
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Female mechanic using electronic diagnostic device in repair garage — Stock Photo
    Female mechanic using electronic diagnostic device in repair garage
    Nanostructures formed on a titanium surface — Stock Photo
    Nanostructures formed on a titanium surface
    Interior of an empty domestic garage. — Stock Photo
    Interior of an empty domestic garage.
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Unrecognizable person vaping and using smartphone to take photo of cup of fresh coffee while sitting at wooden table in countryside — Stock Photo
    Unrecognizable person vaping and using smartphone to take photo of cup of fresh coffee while sitting at wooden table in countryside
    Senior man using digital tablet in kitchen — Stock Photo
    Senior man using digital tablet in kitchen
    Pre-adolescent blogger girl soldering circuit board of electric toy car in office. — Stock Photo
    Pre-adolescent blogger girl soldering circuit board of electric toy car in office.
    Senior woman using digital tablet in garden — Stock Photo
    Senior woman using digital tablet in garden
    Young woman inserting paper and pens into plotter in laboratory. — Stock Photo
    Young woman inserting paper and pens into plotter in laboratory.
    Microvilli of gallbladder surface — Stock Photo
    Microvilli of gallbladder surface
    Close up boy with headphones listening to music on digital tablet — Stock Photo
    Close up boy with headphones listening to music on digital tablet
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    Teenage girls playing guitar and using digital tablet in bedroom — Stock Photo
    Teenage girls playing guitar and using digital tablet in bedroom
    Portrait confident young woman in wheelchair using laptop at dining table — Stock Photo
    Portrait confident young woman in wheelchair using laptop at dining table
    Pregnant mother and daughter using digital tablet in airport departure area — Stock Photo
    Pregnant mother and daughter using digital tablet in airport departure area
    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
    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
    Colored scanning electron micrograph of microstructures formed on nickel surface. — Stock Photo
    Colored scanning electron micrograph of microstructures formed on nickel surface.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Young woman in wheelchair using laptop at dining table — Stock Photo
    Young woman in wheelchair using laptop at dining table
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Man using a laptop with his friends using electronic gadgets in background — Stock Photo
    Man using a laptop with his friends using electronic gadgets in background
    Abstract view of electron tree. — Stock Photo
    Abstract view of electron tree.
    Activated platelet from peripheral blood — Stock Photo
    Activated platelet from peripheral blood
    Smiling couple with headphones using digital tablet — Stock Photo
    Smiling couple with headphones using digital tablet
    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.
    Allergenic pet dander on dog hair, colored scanning electron micrograph. — Stock Photo
    Allergenic pet dander on dog hair, colored scanning electron micrograph.
    Woman using digital tablet in community center — Stock Photo
    Woman using digital tablet in community center
    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)
    Human hair Caucasian brunette, coloured scanning electron micrograph. — Stock Photo
    Human hair Caucasian brunette, coloured scanning electron micrograph.
    Businessman using digital tablet in office — Stock Photo
    Businessman using digital tablet in office
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Smiling man using digital tablet on porch — Stock Photo
    Smiling man using digital tablet on porch
    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
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Business people working in meeting — Stock Photo
    Business people working in meeting
    Bacteria Erysipelothrix rhusiopathiae — Stock Photo
    Bacteria Erysipelothrix rhusiopathiae
    Mid section of male electrical engineer soldering circuit board. — Stock Photo
    Mid section of male electrical engineer soldering circuit board.
    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.
    Ant head. Coloured scanning electron micrograph (SEM) of the head of an ant (family Formicidae). showing its large compound eyes (blue) and jaws. Magnification: x50 when printed 10 centimetres wide. — Stock Photo
    Ant head. Coloured scanning electron micrograph (SEM) of the head of an ant (family Formicidae). showing its large compound eyes (blue) and jaws. Magnification: x50 when printed 10 centimetres wide.