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    Plant seedling in soil in Petri dish in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish in laboratory.
    Neisseria gonorrhoeae bacteria — Stock Photo
    Neisseria gonorrhoeae bacteria
    Engineer holding dial calipers over blueprints on table. — Stock Photo
    Engineer holding dial calipers over blueprints on table.
    Male scientist placing chemical bottle on a machine in laboratory — Stock Photo
    Male scientist placing chemical bottle on a machine in laboratory
    Female college student leading study group in science laboratory classroom — Stock Photo
    Female college student leading study group in science laboratory classroom
    Circuit board under magnifying glass in hands of scientists. — Stock Photo
    Circuit board under magnifying glass in hands of scientists.
    Scientists writing note on glass wall at lab — Stock Photo
    Scientists writing note on glass wall at lab
    Teenage girls practicing experiment while standing in lab — Stock Photo
    Teenage girls practicing experiment while standing in lab
    Overhead view of pipettes in Pipetting plate in laboratory — Stock Photo
    Overhead view of pipettes in Pipetting plate in laboratory
    Neisseria meningitidis bacteria — Stock Photo
    Neisseria meningitidis bacteria
    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.
    Escherichia coli pathogenic bacteria — Stock Photo
    Escherichia coli pathogenic bacteria
    Retrovirus virion structure and shape — Stock Photo
    Retrovirus virion structure and shape
    Microscope and piles on Petri dishes in laboratory on blue background. — Stock Photo
    Microscope and piles on Petri dishes in laboratory on blue background.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Spine and rib cage of healthy adult — Stock Photo
    Spine and rib cage of healthy adult
    Activated platelets in blood vessel — Stock Photo
    Activated platelets in blood vessel
    Microscopic Dust mites on floor — Stock Photo
    Microscopic Dust mites on floor
    Osteochondritis dissecans of the knee — Stock Photo
    Osteochondritis dissecans of the knee
    Biological samples in Petri dishes and microscope on laboratory table. — Stock Photo
    Biological samples in Petri dishes and microscope on laboratory table.
    Healthy intestinal villi — Stock Photo
    Healthy intestinal villi
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Asparagus beetle head — Stock Photo
    Asparagus beetle head
    Young male college student practicing experiment while standing in lab — Stock Photo
    Young male college student practicing experiment while standing in lab
    View of Fetus at 7 weeks — Stock Photo
    View of Fetus at 7 weeks
    DNA autoradiogram in petri dish in laboratory, close-up. — Stock Photo
    DNA autoradiogram in petri dish in laboratory, close-up.
    Close-up of male scientist pipetting into test tubes. — Stock Photo
    Close-up of male scientist pipetting into test tubes.
    Red blood cells — Stock Photo
    Red blood cells
    3d illustration of neuron anatomy and stricture with descriptions. — Stock Photo
    3d illustration of neuron anatomy and stricture with descriptions.
    View of Fetus at 38 weeks — Stock Photo
    View of Fetus at 38 weeks
    House dust mite on human skin — Stock Photo
    House dust mite on human skin
    Brain anatomy showing blood supply system — Stock Photo
    Brain anatomy showing blood supply system
    Female laboratory technician using microscope in laboratory. — Stock Photo
    Female laboratory technician using microscope in laboratory.
    Posterior view of skeletal system of infant — Stock Photo
    Posterior view of skeletal system of infant
    Magnified digital illustration of mammary gland cells. — Stock Photo
    Magnified digital illustration of mammary gland cells.
    Visual render of internal organs — Stock Photo
    Visual render of internal organs
    Crop anonymous scientist in disposable gloves with liquid in small transparent bottle working in laboratory — Stock Photo
    Crop anonymous scientist in disposable gloves with liquid in small transparent bottle working in laboratory
    Close up scientist using pipette under fume hood in laboratory — Stock Photo
    Close up scientist using pipette under fume hood in laboratory
    Young woman in goggles using microscope. — Stock Photo
    Young woman in goggles using microscope.
    Visual render of Venus — Stock Photo
    Visual render of Venus
    Metastatic breast cancer — Stock Photo
    Metastatic breast cancer
    Probiotic bacteria in normal intestinal microbiota, digital illustration. — Stock Photo
    Probiotic bacteria in normal intestinal microbiota, digital illustration.
    Light microscope with petri dishes on blue background. — Stock Photo
    Light microscope with petri dishes on blue background.
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection. — Stock Photo
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection.
    Young students practicing chemistry experiment in lab — Stock Photo
    Young students practicing chemistry experiment in lab
    Close-up of beaker, test tube rack and clipboard on table — Stock Photo
    Close-up of beaker, test tube rack and clipboard on table
    Female scientist in face mask working in laboratory — Stock Photo
    Female scientist in face mask working in laboratory
    Crop anonymous doctor working on netbook on table with injector and small bottle with blue substance in clinic — Stock Photo
    Crop anonymous doctor working on netbook on table with injector and small bottle with blue substance in clinic
    Mid section of scientists doing experiment in lab — Stock Photo
    Mid section of scientists doing experiment in lab
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Human embryonic stem cell, digital illustration. — Stock Photo
    Human embryonic stem cell, digital illustration.
    Chemist child in decorative glasses and laboratory robe looking away with water in dispenser bottle on beige background — Stock Photo
    Chemist child in decorative glasses and laboratory robe looking away with water in dispenser bottle on beige background
    Girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student using microscope, conducting scientific experiment in laboratory classroom
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Agronomy technician pouring water in soil samples. — Stock Photo
    Agronomy technician pouring water in soil samples.
    Forensic scientist at scene of crime collecting DNA sample from knife as forensic evidence. — Stock Photo
    Forensic scientist at scene of crime collecting DNA sample from knife as forensic evidence.
    Digital illustration of human digestive system and close-up of intestine bacteria. — Stock Photo
    Digital illustration of human digestive system and close-up of intestine bacteria.
    Endobronchial valves fitted to treat tuberculosis — Stock Photo
    Endobronchial valves fitted to treat tuberculosis
    Female scientist holding medical samples in lab — Stock Photo
    Female scientist holding medical samples in lab