En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
21939380 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    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
    Probiotic bacteria in normal intestinal microbiota, digital illustration. — Stock Photo
    Probiotic bacteria in normal intestinal microbiota, digital illustration.
    Measles virus particles, digital illustration. — Stock Photo
    Measles virus particles, digital illustration.
    Digital illustration of multiple threadworms in human intestine. — Stock Photo
    Digital illustration of multiple threadworms in human intestine.
    Researcher hand holding vacutainer tube in front of yellow tray. — Stock Photo
    Researcher hand holding vacutainer tube in front of yellow tray.
    Cholera bacteria colony — Stock Photo
    Cholera bacteria colony
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Human Embryo at 5 weeks — Stock Photo
    Human Embryo at 5 weeks
    Human thyroid gland — Stock Photo
    Human thyroid gland
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Parasitic amoeba engulfing red blood cells — Stock Photo
    Parasitic amoeba engulfing red blood cells
    Visual render of Earth interior — Stock Photo
    Visual render of Earth interior
    Adult Honeybee mite — Stock Photo
    Adult Honeybee mite
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology. — Stock Photo
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology.
    Satellite view of North America — Stock Photo
    Satellite view of North America
    View of Fetus at 6 weeks — Stock Photo
    View of Fetus at 6 weeks
    3d illustration of blue colored virus particles with receptors. — Stock Photo
    3d illustration of blue colored virus particles with receptors.
    Teacher watching curious students playing with beakers at interactive exhibit in science center — Stock Photo
    Teacher watching curious students playing with beakers at interactive exhibit in science center
    Petri dishes with blood agar stacked in microbiology lab. — Stock Photo
    Petri dishes with blood agar stacked in microbiology lab.
    Teenage girl holding pipette while practicing chemistry experiment at desk in lab — Stock Photo
    Teenage girl holding pipette while practicing chemistry experiment at desk in lab
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria. — Stock Photo
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria.
    Numbered test tubes with red liquid for biological research. — Stock Photo
    Numbered test tubes with red liquid for biological research.
    Great Andromeda Galaxy shining at zenith in constellation Andromeda — Stock Photo
    Great Andromeda Galaxy shining at zenith in constellation Andromeda
    Scientist closing lid of vial while laboratory testing. — Stock Photo
    Scientist closing lid of vial while laboratory testing.
    Adult worker Honey bee — Stock Photo
    Adult worker Honey bee
    Side view of crop anonymous male medic in uniform and mask using microscope while working in lab — Stock Photo
    Side view of crop anonymous male medic in uniform and mask using microscope while working in lab
    Chemist holding vial in pharmaceutical laboratory. — Stock Photo
    Chemist holding vial in pharmaceutical laboratory.
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar. — Stock Photo
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar.
    Metallic wood-boring beetle — Stock Photo
    Metallic wood-boring beetle
    Close up of pipette dropping solution into test tubes in rack in lab — Stock Photo
    Close up of pipette dropping solution into test tubes in rack in lab
    Close-up of petri dishes and dropping pipette for genetic research. — Stock Photo
    Close-up of petri dishes and dropping pipette for genetic research.
    View of Fetus at 37 weeks — Stock Photo
    View of Fetus at 37 weeks
    Adult male skeleton — Stock Photo
    Adult male skeleton
    Organs of reproductive system — Stock Photo
    Organs of reproductive system
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Full-term fetus — Stock Photo
    Full-term fetus
    Multi-colored rod-shaped soil bacteria, conceptual illustration. — Stock Photo
    Multi-colored rod-shaped soil bacteria, conceptual illustration.
    Parasitic Bedbug on human skin — Stock Photo
    Parasitic Bedbug on human skin
    Close-up of pipettes in stand on desk — Stock Photo
    Close-up of pipettes in stand on desk
    Red blood cells — Stock Photo
    Red blood cells
    Medical test machine with loaded test tubes — Stock Photo
    Medical test machine with loaded test tubes
    Set of 46 human chromosomes on white background. — Stock Photo
    Set of 46 human chromosomes on white background.
    View of Fetus at 11 weeks — Stock Photo
    View of Fetus at 11 weeks
    Close-up of blood sample in glass phial. — Stock Photo
    Close-up of blood sample in glass phial.
    Magnified digital illustration of human cell cross-section. — Stock Photo
    Magnified digital illustration of human cell cross-section.
    Rib cage anatomy of adult human — Stock Photo
    Rib cage anatomy of adult human
    Human brain anatomy — Stock Photo
    Human brain anatomy
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Light micrograph of rectal papilloma on white background, — Stock Photo
    Light micrograph of rectal papilloma on white background,
    Digital artwork of round blue cells on plain background. — Stock Photo
    Digital artwork of round blue cells on plain background.
    Locusts in a jar — Stock Photo
    Locusts in a jar
    Digital artwork of Gram-positive anaerobic Bifidobacterium bacteria. — Stock Photo
    Digital artwork of Gram-positive anaerobic Bifidobacterium bacteria.
    Antibodies attacking virus particles, computer illustration. — Stock Photo
    Antibodies attacking virus particles, computer illustration.
    Scientific survey research ship — Stock Photo
    Scientific survey research ship
    Laboratory glassware with red liquid. — Stock Photo
    Laboratory glassware with red liquid.
    Mature woman in MRI scanner. — Stock Photo
    Mature woman in MRI scanner.
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    Young female scientist working in laboratory — Stock Photo
    Young female scientist working in laboratory
    Girl writing with a pen on a board — Stock Photo
    Girl writing with a pen on a board