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    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.
    Cheerful senior man in costume of Santa Claus standing with present and bell in gloved hands on nature background — Stock Photo
    Cheerful senior man in costume of Santa Claus standing with present and bell in gloved hands on nature background
    Close-up of technician storing stem cell samples in cryostorage. — Stock Photo
    Close-up of technician storing stem cell samples in cryostorage.
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Scientist gloved hand holding gene chip. — Stock Photo
    Scientist gloved hand holding gene chip.
    Medical worker gloved hands holding test stick in urine sample tube. — Stock Photo
    Medical worker gloved hands holding test stick in urine sample tube.
    Gloved hands of man building machine on workbench while working in professional workshop — Stock Photo
    Gloved hands of man building machine on workbench while working in professional workshop
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand. — Stock Photo
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand.
    DNA test result on microcentrifuge tube with DNA sample in scientist hand. — Stock Photo
    DNA test result on microcentrifuge tube with DNA sample in scientist hand.
    Cheerful senior man in costume of Santa Claus standing with present and bell in gloved hands looking away on nature background — Stock Photo
    Cheerful senior man in costume of Santa Claus standing with present and bell in gloved hands looking away on nature background
    DNA test result on microcentrifuge tube with DNA sample in scientist hand. — Stock Photo
    DNA test result on microcentrifuge tube with DNA sample in scientist hand.
    Close-up of stethoscope in male surgeon hand. — Stock Photo
    Close-up of stethoscope in male surgeon hand.
    Cropped view of technicians passing bottle of solution in sterile laboratory. — Stock Photo
    Cropped view of technicians passing bottle of solution in sterile laboratory.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Gloved hands of unrecognizable foreman pouring chemical liquid from canister into metal barrel in factory — Stock Photo
    Gloved hands of unrecognizable foreman pouring chemical liquid from canister into metal barrel in factory
    Scientist hand pipetting samples into microcentrifuge tubes. — Stock Photo
    Scientist hand pipetting samples into microcentrifuge tubes.
    Gloved hand holding blood sample in test tube. — Stock Photo
    Gloved hand holding blood sample in test tube.
    Scientist hand sampling water in flask for quality testing. — Stock Photo
    Scientist hand sampling water in flask for quality testing.
    Hands of doctor preparing dose of medicine in syringe. — Stock Photo
    Hands of doctor preparing dose of medicine in syringe.
    Cheerful senior man in costume of Santa Claus standing with present and bell in gloved hands on nature background — Stock Photo
    Cheerful senior man in costume of Santa Claus standing with present and bell in gloved hands on nature background
    Close-up of scientist hand holding Petri dish in pathology laboratory. — Stock Photo
    Close-up of scientist hand holding Petri dish in pathology laboratory.
    Close up gloved hand holding juvenile oysters — Stock Photo
    Close up gloved hand holding juvenile oysters
    Scientist holding syringe over variety of pharmaceutical vials. — Stock Photo
    Scientist holding syringe over variety of pharmaceutical vials.
    Cropped view of scientist pipetting samples into microcentrifuge tubes. — Stock Photo
    Cropped view of scientist pipetting samples into microcentrifuge tubes.
    Scientist hand holding blood drop sample on microscope slide, studio shot. — Stock Photo
    Scientist hand holding blood drop sample on microscope slide, studio shot.
    Close-up of scientist holding rack of microcentrifuge tubes with red liquid. — Stock Photo
    Close-up of scientist holding rack of microcentrifuge tubes with red liquid.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Scientist holding grains of genetically modified wheat in gloved hands. — Stock Photo
    Scientist holding grains of genetically modified wheat in gloved hands.
    Gloved hand of scientist holding empty Petri dish. — Stock Photo
    Gloved hand of scientist holding empty Petri dish.
    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.
    Gloved hand picking up sheet of agarose gel. — Stock Photo
    Gloved hand picking up sheet of agarose gel.
    Scientist gloved hands holding micro-petri dishes. — Stock Photo
    Scientist gloved hands holding micro-petri dishes.
    Male hand cutting wood log with axe in snow. — Stock Photo
    Male hand cutting wood log with axe in snow.
    Senior man in costume of Santa Claus sitting in retro van and holding garland in gloved hands — Stock Photo
    Senior man in costume of Santa Claus sitting in retro van and holding garland in gloved hands
    Close-up of scientist hand placing samples in concentrator. — Stock Photo
    Close-up of scientist hand placing samples in concentrator.
    Technician pipetting biological samples in multiwell plate. — Stock Photo
    Technician pipetting biological samples in multiwell plate.
    Cheerful senior man in costume of Santa Claus standing with present and bell in gloved hands on nature background — Stock Photo
    Cheerful senior man in costume of Santa Claus standing with present and bell in gloved hands on nature background
    Close-up of surgical scissors in surgeon hand at operating theater. — Stock Photo
    Close-up of surgical scissors in surgeon hand at operating theater.
    Clinician holding hypodermic syringe in gloved hand. — Stock Photo
    Clinician holding hypodermic syringe in gloved hand.
    Close-up of syringe full of blood in hands of male doctor. — Stock Photo
    Close-up of syringe full of blood in hands of male doctor.
    Female doctor feeling larynx with gloved hand, close-up. — Stock Photo
    Female doctor feeling larynx with gloved hand, close-up.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Gloved hand of scientist holding empty Petri dish. — Stock Photo
    Gloved hand of scientist holding empty Petri dish.
    Female scientist holding petri dish with hazardous biological cultures. — Stock Photo
    Female scientist holding petri dish with hazardous biological cultures.
    Scientist hand holding blood drop sample on microscope slide, studio shot. — Stock Photo
    Scientist hand holding blood drop sample on microscope slide, studio shot.
    Hand holding a multiwell tray containing blood samples. — Stock Photo
    Hand holding a multiwell tray containing blood samples.
    Mature woman tending to pot of pansies. — Stock Photo
    Mature woman tending to pot of pansies.
    Woman using garden shears for trimming potted shrub. — Stock Photo
    Woman using garden shears for trimming potted shrub.
    Technician carrying equipment and solution in sterile laboratory. — Stock Photo
    Technician carrying equipment and solution in sterile laboratory.
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Close-up of surgical scalpel in doctor hand. — Stock Photo
    Close-up of surgical scalpel in doctor hand.
    Woman holding plant pot with blooming pansies. — Stock Photo
    Woman holding plant pot with blooming pansies.
    Gloved hands of male employee pouring chemical liquid from canister into metal barrel in factory — Stock Photo
    Gloved hands of male employee pouring chemical liquid from canister into metal barrel in factory
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Medical worker gloved hands holding test stick in urine sample tube. — Stock Photo
    Medical worker gloved hands holding test stick in urine sample tube.
    Close-up view of doctor throwing away used test tube. — Stock Photo
    Close-up view of doctor throwing away used test tube.
    Close-up of syringe full of blood in hands of male doctor. — Stock Photo
    Close-up of syringe full of blood in hands of male doctor.
    Lab technician carrying cell-based testing kit in bioengineering laboratory. — Stock Photo
    Lab technician carrying cell-based testing kit in bioengineering laboratory.
    Researcher using a light microscope for studying tube containing blood sample. — Stock Photo
    Researcher using a light microscope for studying tube containing blood sample.