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    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Coloured X-ray of a 16 year old male with a fractured clavicle (collar bone). — Stock Photo
    Coloured X-ray of a 16 year old male with a fractured clavicle (collar bone).
    Mid section of male scientist experimenting in laboratory — Stock Photo
    Mid section of male scientist experimenting in laboratory
    Life science technician using micropipette in laboratory. — Stock Photo
    Life science technician using micropipette in laboratory.
    Magnified digital illustration of 16 cell stage embryo. — Stock Photo
    Magnified digital illustration of 16 cell stage embryo.
    Red spot on surgical scalpel. — Stock Photo
    Red spot on surgical scalpel.
    Scientist using pipette and scales at laboratory — Stock Photo
    Scientist using pipette and scales at laboratory
    Mid section of worker working in glass factory — Stock Photo
    Mid section of worker working in glass factory
    Enterococcus bacteria colony — Stock Photo
    Enterococcus bacteria colony
    Adult parasitic tick — Stock Photo
    Adult parasitic tick
    Yellow rod-shaped Citrobacter bacteria, digital illustration. — Stock Photo
    Yellow rod-shaped Citrobacter bacteria, digital illustration.
    Set of 46 human chromosomes on black background. — Stock Photo
    Set of 46 human chromosomes on black background.
    Close up of female student practicing experiment in lab — Stock Photo
    Close up of female student practicing experiment in lab
    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
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    Human sperm cells and egg cell — Stock Photo
    Human sperm cells and egg cell
    Magnified digital illustration of eosinophil cell. — Stock Photo
    Magnified digital illustration of eosinophil cell.
    Curious girls at interactive exhibit in science center — Stock Photo
    Curious girls at interactive exhibit in science center
    Mucor fungus on black background, digital illustration. — Stock Photo
    Mucor fungus on black background, digital illustration.
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    Female scientist holding medical samples in lab — Stock Photo
    Female scientist holding medical samples in lab
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    Illustration of group of cells in blood clot. — Stock Photo
    Illustration of group of cells in blood clot.
    Healthy colon and internal organs — Stock Photo
    Healthy colon and internal organs
    Pseudomonas aeruginosa bacteria — Stock Photo
    Pseudomonas aeruginosa bacteria
    Mid section of scientists doing experiment in lab — Stock Photo
    Mid section of scientists doing experiment in lab
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Parasitic nematode worm — Stock Photo
    Parasitic nematode worm
    Schematic representation of human vein structure — Stock Photo
    Schematic representation of human vein structure
    Colon diverticuli pathology — Stock Photo
    Colon diverticuli pathology
    Female college student holding equipment while practicing experiment in laboratory — Stock Photo
    Female college student holding equipment while practicing experiment in laboratory
    Space craft flying in outer space, digital illustration. — Stock Photo
    Space craft flying in outer space, digital illustration.
    Female scientist in face mask using pipette at laboratory centrifuge — Stock Photo
    Female scientist in face mask using pipette at laboratory centrifuge
    Close-up of fungus colony growing on agar plate. — Stock Photo
    Close-up of fungus colony growing on agar plate.
    Students conducting scientific experiment, pouring liquid in beaker in laboratory classroom — Stock Photo
    Students conducting scientific experiment, pouring liquid in beaker in laboratory classroom
    Scabies mite or Sarcoptes scabei — Stock Photo
    Scabies mite or Sarcoptes scabei
    Human large intestine — Stock Photo
    Human large intestine
    Close-up of worker examining glass product in glass factory — Stock Photo
    Close-up of worker examining glass product in glass factory
    Adult Honeybee mite — Stock Photo
    Adult Honeybee mite
    Abstract group of particles of viruses, computer illustration. — Stock Photo
    Abstract group of particles of viruses, computer illustration.
    Normal human chromosomes — Stock Photo
    Normal human chromosomes
    Attentive male scientist working in laboratory — Stock Photo
    Attentive male scientist working in laboratory
    Sweat bee in detailed portrait shot. — Stock Photo
    Sweat bee in detailed portrait shot.
    Portrait of male scientist standing with arms crossed in laboratory — Stock Photo
    Portrait of male scientist standing with arms crossed in laboratory
    Red blood cells — Stock Photo
    Red blood cells
    Plastic sample containers in laboratory, close-up — Stock Photo
    Plastic sample containers in laboratory, close-up
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    View of Fetus at 28 weeks — Stock Photo
    View of Fetus at 28 weeks
    Female scientist holding blood samples in test tubes. — Stock Photo
    Female scientist holding blood samples in test tubes.
    Lung bronchi in relation to other internal organs — Stock Photo
    Lung bronchi in relation to other internal organs
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    The heart in the constellation Cygnus and North America nebula and Pelican, preserved under sky light pollution — Stock Photo
    The heart in the constellation Cygnus and North America nebula and Pelican, preserved under sky light pollution
    Adult dust mite — Stock Photo
    Adult dust mite
    Penicillinum fungus on white background, digital illustration. — Stock Photo
    Penicillinum fungus on white background, digital illustration.
    Wheat in petri dish, studio shot. — Stock Photo
    Wheat in petri dish, studio shot.
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    View of Fetus at 36 weeks — Stock Photo
    View of Fetus at 36 weeks
    View of fetus at 20 weeks — Stock Photo
    View of fetus at 20 weeks
    Green seedlings in test tubes, close-up. — Stock Photo
    Green seedlings in test tubes, close-up.
    Human white blood cell — Stock Photo
    Human white blood cell