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    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Illustration of sperm fertilizing human egg cell. — Stock Photo
    Illustration of sperm fertilizing human egg cell.
    Common house dust mite — Stock Photo
    Common house dust mite
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan.
    Illustration of illuminated red cancer cell on black background. — Stock Photo
    Illustration of illuminated red cancer cell on black background.
    Illustration of 8 cell stage egg on blue background. — Stock Photo
    Illustration of 8 cell stage egg on blue background.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Healthy intestinal villi — Stock Photo
    Healthy intestinal villi
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Body of cat flea — Stock Photo
    Body of cat flea
    Escherichia coli bacteria on gecko tongue — Stock Photo
    Escherichia coli bacteria on gecko tongue
    Illustration of illuminated red cancer cell on black background. — Stock Photo
    Illustration of illuminated red cancer cell on black background.
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Cropped view of engineer using stereo microscope for inspecting printed circuit board. — Stock Photo
    Cropped view of engineer using stereo microscope for inspecting printed circuit board.
    Forensic scientist using 3d stereo microscope for examining markings on bullet. — Stock Photo
    Forensic scientist using 3d stereo microscope for examining markings on bullet.
    Cropped view of engineer using stereo microscope for inspecting printed circuit board. — Stock Photo
    Cropped view of engineer using stereo microscope for inspecting printed circuit board.
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection. — Stock Photo
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection.
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Male teacher and girl students conducting scientific experiment at microscope in laboratory classroom — Stock Photo
    Male teacher and girl students conducting scientific experiment at microscope in laboratory classroom
    Red blood cells — Stock Photo
    Red blood cells
    Blue cancer cells, digital illustration. — Stock Photo
    Blue cancer cells, digital illustration.
    Illustration of sperm around human egg cell. — Stock Photo
    Illustration of sperm around human egg cell.
    Mycobacterium smegmatis bacteria — Stock Photo
    Mycobacterium smegmatis bacteria
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection. — Stock Photo
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection.
    Male sex cell — Stock Photo
    Male sex cell
    Male sex cell — Stock Photo
    Male sex cell
    Closeup of magnified part of black and brown ant on black background — Stock Photo
    Closeup of magnified part of black and brown ant on black background
    Possible global pandemic. Vaccine study for the Coronavirus virus. Petri dishes in the lab. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus. Petri dishes in the lab.
    Closeup yellow flying wasp folding legs and looking at camera with big green eyes — Stock Photo
    Closeup yellow flying wasp folding legs and looking at camera with big green eyes
    Ascaris Roundworm ovaries — Stock Photo
    Ascaris Roundworm ovaries
    Electron micrograph of dental plaque — Stock Photo
    Electron micrograph of dental plaque
    Woman hand holding magnifying glass looking at butterflies — Stock Photo
    Woman hand holding magnifying glass looking at butterflies
    Electron micrograph of Bacteria and yeast — Stock Photo
    Electron micrograph of Bacteria and yeast
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Eye test equipment in a laboratory — Stock Photo
    Eye test equipment in a laboratory
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Woman looking through spotting scope, Wyoming, USA — Stock Photo
    Woman looking through spotting scope, Wyoming, USA
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Young female scientist viewing microscope during research. — Stock Photo
    Young female scientist viewing microscope during research.
    Closeup of magnified part of black and brown ant with glossy head and legs — Stock Photo
    Closeup of magnified part of black and brown ant with glossy head and legs
    Focused boy student reading textbook at microscope in laboratory classroom — Stock Photo
    Focused boy student reading textbook at microscope in laboratory classroom
    Anemonefish eggs on seafloor — Stock Photo
    Anemonefish eggs on seafloor
    Girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student using microscope, conducting scientific experiment in laboratory classroom
    Cropped view of engineer using stereo microscope for inspecting printed circuit board. — Stock Photo
    Cropped view of engineer using stereo microscope for inspecting printed circuit board.
    Forensic scientist using 3d stereo microscope for examining markings on bullet. — Stock Photo
    Forensic scientist using 3d stereo microscope for examining markings on bullet.
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    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.
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Illustration of dividing human egg cell. — Stock Photo
    Illustration of dividing human egg cell.
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone. Magnification: x5000 when printed at 10 centimetres wide — Stock Photo
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone. Magnification: x5000 when printed at 10 centimetres wide
    Asparagus pollen grains — Stock Photo
    Asparagus pollen grains
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Section through a wart — Stock Photo
    Section through a wart