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    Artwork of plasma cells — Stock Photo
    Artwork of plasma cells
    Scientist in costume posing in laboratory — Stock Photo
    Scientist in costume posing in laboratory
    3d illustration of cancer cell attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cell attacked and killed by lymphocytes.
    View of Fetus at 29 weeks — Stock Photo
    View of Fetus at 29 weeks
    Turnip sawfly sitting on yellow wildflower. — Stock Photo
    Turnip sawfly sitting on yellow wildflower.
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Human leg structural anatomy — Stock Photo
    Human leg structural anatomy
    3d illustration of variety of different pollen grains. — Stock Photo
    3d illustration of variety of different pollen grains.
    Patient with diverticulitis — Stock Photo
    Patient with diverticulitis
    Adult scabies mite — Stock Photo
    Adult scabies mite
    Portrait of teenage girl holding clipboard while standing in lab — Stock Photo
    Portrait of teenage girl holding clipboard while standing in lab
    Prosthetic heart valves — Stock Photo
    Prosthetic heart valves
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Lysosome fusing with autophagosome — Stock Photo
    Lysosome fusing with autophagosome
    Water treatment plant ultraviolet ionization treatment room — Stock Photo
    Water treatment plant ultraviolet ionization treatment room
    Skeletal system and cartilage of adult human — Stock Photo
    Skeletal system and cartilage of adult human
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Young woman in goggles using microscope. — Stock Photo
    Young woman in goggles using microscope.
    Close-up of chemistry apparatus glassware in laboratory. — Stock Photo
    Close-up of chemistry apparatus glassware in laboratory.
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Close-up of male scientist placing medical vials on a lab machine in laboratory — Stock Photo
    Close-up of male scientist placing medical vials on a lab machine in laboratory
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Abstract illustration of nanostructure of metamaterial surface. — Stock Photo
    Abstract illustration of nanostructure of metamaterial surface.
    Medical testing microscopes and equipment in laboratory. — Stock Photo
    Medical testing microscopes and equipment in laboratory.
    Petri dishes for DNA sequencing, close-up. — Stock Photo
    Petri dishes for DNA sequencing, close-up.
    Head louse on human hair — Stock Photo
    Head louse on human hair
    Girl students conducting scientific experiment, examining liquid in beaker in laboratory classroom — Stock Photo
    Girl students conducting scientific experiment, examining liquid in beaker in laboratory classroom
    Chemist boy in laboratory robe and plastic glasses looking away on beige background with your hands on your head — Stock Photo
    Chemist boy in laboratory robe and plastic glasses looking away on beige background with your hands on your head
    Male chemist in uniform and disposable mask looking forward at table with professional equipment and test tubes in laboratory — Stock Photo
    Male chemist in uniform and disposable mask looking forward at table with professional equipment and test tubes in laboratory
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Parasitic Bedbug on human skin — Stock Photo
    Parasitic Bedbug on human skin
    3d illustration of transparent and colourful protozoa. — Stock Photo
    3d illustration of transparent and colourful protozoa.
    Schematic representation of wrist pain — Stock Photo
    Schematic representation of wrist pain
    Skeletal system of infant — Stock Photo
    Skeletal system of infant
    Half-full anatomical heart model 3D illustration isolated on white background. — Stock Photo
    Half-full anatomical heart model 3D illustration isolated on white background.
    Close-up of worker working in glass factory — Stock Photo
    Close-up of worker working in glass factory
    Swallowed coins in the oesophagus — Stock Photo
    Swallowed coins in the oesophagus
    Close-up of pipetting sample for biological research. — Stock Photo
    Close-up of pipetting sample for biological research.
    Skeletal system and internal organs — Stock Photo
    Skeletal system and internal organs
    View of fetus at 20 weeks — Stock Photo
    View of fetus at 20 weeks
    Male scientist doing medical testing of sample under microscope. — Stock Photo
    Male scientist doing medical testing of sample under microscope.
    Hands of scientist using pipette and petri dish — Stock Photo
    Hands of scientist using pipette and petri dish
    Microscopic dust mites colony — Stock Photo
    Microscopic dust mites colony
    Smiling female science teacher and girl student reading textbook at microscope in laboratory classroom — Stock Photo
    Smiling female science teacher and girl student reading textbook at microscope in laboratory classroom
    White blood cells — Stock Photo
    White blood cells
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Escherichia coli pathogenic bacteria — Stock Photo
    Escherichia coli pathogenic bacteria
    Leg and foot bones — Stock Photo
    Leg and foot bones
    Scientist viewing plant leaf in petri dish under inverted microscope in laboratory. — Stock Photo
    Scientist viewing plant leaf in petri dish under inverted microscope in laboratory.
    Curious kids watching science experiment in science center — Stock Photo
    Curious kids watching science experiment in science center
    Healthy human teeth — Stock Photo
    Healthy human teeth
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Organs of reproductive system — Stock Photo
    Organs of reproductive system
    Close-up of multiple test stick being placed into urine sample tube by female doctor. — Stock Photo
    Close-up of multiple test stick being placed into urine sample tube by female doctor.
    3d illustration of broken or defective orange colored x and y chromosomes. — Stock Photo
    3d illustration of broken or defective orange colored x and y chromosomes.
    Cropped image scientist adding liquid in flask — Stock Photo
    Cropped image scientist adding liquid in flask
    3d illustration of optical light guide cables in different colours with open ends which shining brightly. — Stock Photo
    3d illustration of optical light guide cables in different colours with open ends which shining brightly.
    Human embryonic stem cells, digital illustration. — Stock Photo
    Human embryonic stem cells, digital illustration.
    Close-up of pipettes in stand on desk — Stock Photo
    Close-up of pipettes in stand on desk
    Female college student leading study group in science laboratory classroom — Stock Photo
    Female college student leading study group in science laboratory classroom