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    Lime tree stem — Stock Photo
    Lime tree stem
    Developing pig eye — Stock Photo
    Developing pig eye
    Female researcher using light microscope for examining stem cells in culture jar. — Stock Photo
    Female researcher using light microscope for examining stem cells in culture jar.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Light micrograph (LM) showing blood supply to muscle fibers. — Stock Photo
    Light micrograph (LM) showing blood supply to muscle fibers.
    Hands of scientist researching sample on microscope slide under light microscope. — Stock Photo
    Hands of scientist researching sample on microscope slide under light microscope.
    Young pine tree stem — Stock Photo
    Young pine tree stem
    Section through an osteoid osteoma — Stock Photo
    Section through an osteoid osteoma
    Scientist viewing sample on glass slide under light microscope. — Stock Photo
    Scientist viewing sample on glass slide under light microscope.
    Lime tree stem — Stock Photo
    Lime tree stem
    Hair follicles structure — Stock Photo
    Hair follicles structure
    Lime tree stem — Stock Photo
    Lime tree stem
    Appendix showing appendicitis — Stock Photo
    Appendix showing appendicitis
    Hands of scientist researching sample on microscope slide under light microscope. — Stock Photo
    Hands of scientist researching sample on microscope slide under light microscope.
    Gum tissue with gingivitis — Stock Photo
    Gum tissue with gingivitis
    Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink). — Stock Photo
    Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink).
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Male human flea — Stock Photo
    Male human flea
    Light microscope with petri dishes on blue background. — Stock Photo
    Light microscope with petri dishes on blue background.
    Close-up of hands of scientist taking sample from culture in Petri dish. — Stock Photo
    Close-up of hands of scientist taking sample from culture in Petri dish.
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Ovarian cells section — Stock Photo
    Ovarian cells section
    Cell cultures under microscope in laboratory. — Stock Photo
    Cell cultures under microscope in laboratory.
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Plant seedling in soil in Petri dish under light microscope. — Stock Photo
    Plant seedling in soil in Petri dish under light microscope.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Unilocular adipose tissue — Stock Photo
    Unilocular adipose tissue
    Section through a Pacinian corpuscle — Stock Photo
    Section through a Pacinian corpuscle
    Scientist researching sample in petri dish under light microscope. — Stock Photo
    Scientist researching sample in petri dish under light microscope.
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    Ginger boy using light microscope on green grass. — Stock Photo
    Ginger boy using light microscope on green grass.
    Hands of scientist researching sample in petri dish under light microscope. — Stock Photo
    Hands of scientist researching sample in petri dish under light microscope.
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    Obelia hydrozoan medusa. Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid. — Stock Photo
    Obelia hydrozoan medusa. Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid.
    Section through a grape stem — Stock Photo
    Section through a grape stem
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Female scientist examining sample from culture in Petri dish. — Stock Photo
    Female scientist examining sample from culture in Petri dish.
    Section through a peanut stem — Stock Photo
    Section through a peanut stem
    Longitudinal section through smooth muscle — Stock Photo
    Longitudinal section through smooth muscle
    Close-up of hands of scientist pipetting sample from culture in Petri dish. — Stock Photo
    Close-up of hands of scientist pipetting sample from culture in Petri dish.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Section through a wart — Stock Photo
    Section through a wart
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Scientists holding multiwell plate with chemical solution for analytical testing in laboratory. — Stock Photo
    Scientists holding multiwell plate with chemical solution for analytical testing in laboratory.
    Developing pig eye — Stock Photo
    Developing pig eye
    Close-up of hands of scientist taking sample from culture in Petri dish. — Stock Photo
    Close-up of hands of scientist taking sample from culture in Petri dish.
    Hair follicles of human skin — Stock Photo
    Hair follicles of human skin
    Gall bladder lining — Stock Photo
    Gall bladder lining
    Kidney with acute nephritis — Stock Photo
    Kidney with acute nephritis
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Male hands taking sample from agar plate for microbiology research. — Stock Photo
    Male hands taking sample from agar plate for microbiology research.
    Stomach surface epithelium, light micrograph (LM). The surface epithelium of the stomach is a simple columnar epithelium formed by tall mucous cells that invaginate to form the gastric pits — Stock Photo
    Stomach surface epithelium, light micrograph (LM). The surface epithelium of the stomach is a simple columnar epithelium formed by tall mucous cells that invaginate to form the gastric pits
    Midrib of a tea leaf — Stock Photo
    Midrib of a tea leaf
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.