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    Group of laboratory test tubes with colored liquids. — Stock Photo
    Group of laboratory test tubes with colored liquids.
    Close-up of beaker, test tube rack and clipboard on table — Stock Photo
    Close-up of beaker, test tube rack and clipboard on table
    Tick biting skin — Stock Photo
    Tick biting skin
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Digital illustration of shaped virus cells. — Stock Photo
    Digital illustration of shaped virus cells.
    Female college students practicing chemistry experiment at desk in lab — Stock Photo
    Female college students practicing chemistry experiment at desk in lab
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Light microscope objective lenses in laboratory. — Stock Photo
    Light microscope objective lenses in laboratory.
    Illustration of single human blood cell on black background. — Stock Photo
    Illustration of single human blood cell on black background.
    Pelvic bones and sacrum — Stock Photo
    Pelvic bones and sacrum
    Red spot on surgical scalpel. — Stock Photo
    Red spot on surgical scalpel.
    Abstract human immunodeficiency virus structure, scientific digital illustration. — Stock Photo
    Abstract human immunodeficiency virus structure, scientific digital illustration.
    Male sex cell — Stock Photo
    Male sex cell
    DNA molecule, abstract scientific illustration. — Stock Photo
    DNA molecule, abstract scientific illustration.
    View of fetus at 7 weeks — Stock Photo
    View of fetus at 7 weeks
    Satellite view of Saturn — Stock Photo
    Satellite view of Saturn
    Magnified digital illustration of macrophage cell. — Stock Photo
    Magnified digital illustration of macrophage cell.
    Cervical and thoracic spine regions — Stock Photo
    Cervical and thoracic spine regions
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria. — Stock Photo
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria.
    Cholera bacteria colony — Stock Photo
    Cholera bacteria colony
    Test tube with red lid on blue background. — Stock Photo
    Test tube with red lid on blue background.
    Healthy intestinal villi — Stock Photo
    Healthy intestinal villi
    Chemist setting up vacuum pump in pharmaceutical laboratory. — Stock Photo
    Chemist setting up vacuum pump in pharmaceutical laboratory.
    Serratia marcescens rod-shaped Gram-negative bacteria, digital illustration — Stock Photo
    Serratia marcescens rod-shaped Gram-negative bacteria, digital illustration
    Inflamed colon pathology — Stock Photo
    Inflamed colon pathology
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Nerve cells network — Stock Photo
    Nerve cells network
    Close-up of scientist hand holding Petri dish in pathology laboratory. — Stock Photo
    Close-up of scientist hand holding Petri dish in pathology laboratory.
    Focused boy students using digital tablet at microscope in laboratory classroom — Stock Photo
    Focused boy students using digital tablet at microscope in laboratory classroom
    Close-up of laboratory technician holding tube with blood sample in gloved hand. — Stock Photo
    Close-up of laboratory technician holding tube with blood sample in gloved hand.
    Person hand holding petri dish with biological culture. — Stock Photo
    Person hand holding petri dish with biological culture.
    Human anatomical structure — Stock Photo
    Human anatomical structure
    Close-up of petri dish and dropping pipette for genetic research. — Stock Photo
    Close-up of petri dish and dropping pipette for genetic research.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    View of fetus at 7 weeks — Stock Photo
    View of fetus at 7 weeks
    Person holding a petri dish, studio shot. — Stock Photo
    Person holding a petri dish, studio shot.
    Microscopic Dust mites on floor — Stock Photo
    Microscopic Dust mites on floor
    3d illustration of normal looking blue colored and transparent x and y chromosomes. — Stock Photo
    3d illustration of normal looking blue colored and transparent x and y chromosomes.
    View of Fetus at 35 weeks — Stock Photo
    View of Fetus at 35 weeks
    Rheumatoid arthritis of hands — Stock Photo
    Rheumatoid arthritis of hands
    Light micrograph of a section through an aeciospore from a Puccinia sp. rust fungus. — Stock Photo
    Light micrograph of a section through an aeciospore from a Puccinia sp. rust fungus.
    Close-up of male scientist working in laboratory — Stock Photo
    Close-up of male scientist working in laboratory
    Pelvic bones and sacrum — Stock Photo
    Pelvic bones and sacrum
    Female Asian scientist examining plants in laboratory. — Stock Photo
    Female Asian scientist examining plants in laboratory.
    Curious kids enjoying interactive foam exhibit in science center — Stock Photo
    Curious kids enjoying interactive foam exhibit in science center
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Male worker working while using digital tablet in factory — Stock Photo
    Male worker working while using digital tablet in factory
    Coloured X-ray of the chest of a 52 year old female patient with metastatic (secondary) lung cancer (yellow). — Stock Photo
    Coloured X-ray of the chest of a 52 year old female patient with metastatic (secondary) lung cancer (yellow).
    Adipocyte fat cell — Stock Photo
    Adipocyte fat cell
    3d illustration of in vitro fertilization of egg cell. — Stock Photo
    3d illustration of in vitro fertilization of egg cell.
    Digital illustration of nanorobot carrying rod-shaped bacterium. — Stock Photo
    Digital illustration of nanorobot carrying rod-shaped bacterium.
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Scientist using a machine for experiment in lab — Stock Photo
    Scientist using a machine for experiment in lab
    Conceptual illustration of piece of cake and magnification of bacteria of food-borne infection on white background. — Stock Photo
    Conceptual illustration of piece of cake and magnification of bacteria of food-borne infection on white background.
    View of Fetus at 37 weeks — Stock Photo
    View of Fetus at 37 weeks
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Close-up 3D illustration of Y chromosome on white background. — Stock Photo
    Close-up 3D illustration of Y chromosome on white background.
    College students raising hands in science laboratory classroom — Stock Photo
    College students raising hands in science laboratory classroom
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.