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    Redheaded boy using light microscope for studying on meadow. — Stock Photo
    Redheaded boy using light microscope for studying on meadow.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Cross-section through a cotton stem — Stock Photo
    Cross-section through a cotton stem
    Unilocular adipose tissue — Stock Photo
    Unilocular adipose tissue
    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.
    Longitudinal section through smooth muscle — Stock Photo
    Longitudinal section through smooth muscle
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Close-up of light microscope lenses on white background. — Stock Photo
    Close-up of light microscope lenses on white background.
    Unilocular adipose tissue — Stock Photo
    Unilocular adipose tissue
    Light micrograph of a section through tissue showing an artery (middle ) and a vein (top left). — Stock Photo
    Light micrograph of a section through tissue showing an artery (middle ) and a vein (top left).
    Section through a grape stem — Stock Photo
    Section through a grape stem
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    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.
    Hand of scientist researching sample on microscope slide under light microscope. — Stock Photo
    Hand of scientist researching sample on microscope slide under light microscope.
    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).
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Ovarian cells section — Stock Photo
    Ovarian cells section
    Hair follicles structure — Stock Photo
    Hair follicles structure
    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.
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Female researcher using light microscope, close-up. — Stock Photo
    Female researcher using light microscope, close-up.
    Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid. — Stock Photo
    Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid.
    Glass slide containing human sample under light microscope for medical testing. — Stock Photo
    Glass slide containing human sample under light microscope for medical testing.
    Hair follicles of human skin — Stock Photo
    Hair follicles of human skin
    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.
    Gum tissue with gingivitis — Stock Photo
    Gum tissue with gingivitis
    Large thrombus formation — Stock Photo
    Large thrombus formation
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Ginger boy using light microscope on green grass. — Stock Photo
    Ginger boy using light microscope on green grass.
    Scientist examining cultured cells under microscope. — Stock Photo
    Scientist examining cultured cells under microscope.
    Section through the cerebellum of the brain — Stock Photo
    Section through the cerebellum of the brain
    Section through a growing bone — Stock Photo
    Section through a growing bone
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    High power light micrograph (LM) of a section through the gills of a mushroom, Agaricus sp. (formerly Psalliota sp.). — Stock Photo
    High power light micrograph (LM) of a section through the gills of a mushroom, Agaricus sp. (formerly Psalliota sp.).
    Researcher handling stem cell cultures in laboratory during research. — Stock Photo
    Researcher handling stem cell cultures in laboratory during research.
    Section through an osteoid osteoma — Stock Photo
    Section through an osteoid osteoma
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Chrysanthemum flower bud, light micrograph. — Stock Photo
    Chrysanthemum flower bud, light micrograph.
    High power light micrograph (LM) of a section through the gills of a mushroom, Agaricus sp. (formerly Psalliota sp.). — Stock Photo
    High power light micrograph (LM) of a section through the gills of a mushroom, Agaricus sp. (formerly Psalliota sp.).
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Researchers handling stem cell cultures in laboratory while drug research. — Stock Photo
    Researchers handling stem cell cultures in laboratory while drug research.
    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).
    Close-up of slide on light microscope stage. — Stock Photo
    Close-up of slide on light microscope stage.
    Scientist viewing sample on glass slide before light microscope. — Stock Photo
    Scientist viewing sample on glass slide before light microscope.
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    Appendix showing appendicitis — Stock Photo
    Appendix showing appendicitis
    Female scientist examining sample from culture in Petri dish. — Stock Photo
    Female scientist examining sample from culture in Petri dish.
    Tongue surface, light micrograph and computer illustration. — Stock Photo
    Tongue surface, light micrograph and computer illustration.
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    Light micrograph (LM) of a vertical section through the pseudostratified columnar epithelium from the trachea, the tube in the throat leading from the mouth to the bronchus and the lungs. — Stock Photo
    Light micrograph (LM) of a vertical section through the pseudostratified columnar epithelium from the trachea, the tube in the throat leading from the mouth to the bronchus and the lungs.
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Developing pig eye — Stock Photo
    Developing pig eye
    Schoolboy using light microscope in school laboratory. — Stock Photo
    Schoolboy using light microscope in school laboratory.
    Close-up of light microscope lenses on white background. — Stock Photo
    Close-up of light microscope lenses on white background.