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    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Crypts of Lieberkuhn. Light micrograph (LM). Crypts of Lieberkuhn of the colon shown in cross section. Crypts are long blind-ending tube-like extensions of the surface epithelial lining of the gut — Stock Photo
    Crypts of Lieberkuhn. Light micrograph (LM). Crypts of Lieberkuhn of the colon shown in cross section. Crypts are long blind-ending tube-like extensions of the surface epithelial lining of the gut
    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 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.
    Attentive female doctor in surgical uniform and sterile mask looking through microscope while operating eye of unrecognizable patient in hospital — Stock Photo
    Attentive female doctor in surgical uniform and sterile mask looking through microscope while operating eye of unrecognizable patient in hospital
    Dog roundworm eggs (Toxocara canis), light micrograph. — Stock Photo
    Dog roundworm eggs (Toxocara canis), light micrograph.
    Light micrograph of liver fluke eggs in a fish scale. — Stock Photo
    Light micrograph of liver fluke eggs in a fish scale.
    Attentive adult female medic in disposable mask and ornamental cap working in clinic with surgical microscope — Stock Photo
    Attentive adult female medic in disposable mask and ornamental cap working in clinic with surgical microscope
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Light micrograph of brewer's yeast (Saccharomyces cerevisiae) yeast budding cells. Saccharomyces cerevisiae is able to ferment sugar, producing alcohol and carbon dioxide in the process. It has long been used in the brewing of beer, production of win — Stock Photo
    Light micrograph of brewer's yeast (Saccharomyces cerevisiae) yeast budding cells. Saccharomyces cerevisiae is able to ferment sugar, producing alcohol and carbon dioxide in the process. It has long been used in the brewing of beer, production of win
    Skull affected by Paget's disease — Stock Photo
    Skull affected by Paget's disease
    Young pine tree stem — Stock Photo
    Young pine tree stem
    Omentum fold of peritoneal membrane — Stock Photo
    Omentum fold of peritoneal membrane
    Glass slide containing human sample under light microscope for medical testing. — Stock Photo
    Glass slide containing human sample under light microscope for medical testing.
    Light micrograph of a longitudinal section through filiform papillae on the tongue surface. — Stock Photo
    Light micrograph of a longitudinal section through filiform papillae on the tongue surface.
    Developing pig eye — Stock Photo
    Developing pig eye
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    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.
    Mid rib of an olive leaf — Stock Photo
    Mid rib of an olive leaf
    Hidradenoma papilliferum, light micrograph (LM) of section of affected vulva. Hidradenoma papilliferumis type of benign cystic papillary growth (lower part of image) that occurs on labia majora of vulva — Stock Photo
    Hidradenoma papilliferum, light micrograph (LM) of section of affected vulva. Hidradenoma papilliferumis type of benign cystic papillary growth (lower part of image) that occurs on labia majora of vulva
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Tapeworm of cattle and other grazing animals, light micrograph. — Stock Photo
    Tapeworm of cattle and other grazing animals, light micrograph.
    Lily stem. Light micrograph(LM) of section through part of lily (Lilium) stem. Thin outer epidermis surrounds layer of cortex. At center is pith, which contains numerous vascular bundles (yellow) — Stock Photo
    Lily stem. Light micrograph(LM) of section through part of lily (Lilium) stem. Thin outer epidermis surrounds layer of cortex. At center is pith, which contains numerous vascular bundles (yellow)
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration. — Stock Photo
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration.
    Plant sprouts in Petri dish under light microscope. — Stock Photo
    Plant sprouts in Petri dish under light microscope.
    Light micrograph of a section through breast tissue showing mastitis (inflammation) of breast. — Stock Photo
    Light micrograph of a section through breast tissue showing mastitis (inflammation) of breast.
    Attentive female doctor in sterile uniform against coworker looking away while preparing for surgery in hospital with microscope — Stock Photo
    Attentive female doctor in sterile uniform against coworker looking away while preparing for surgery in hospital with microscope
    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.
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree. — Stock Photo
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree.
    Light microscope in laboratory, close-up. — Stock Photo
    Light microscope in laboratory, close-up.
    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
    Lung bronchiole. Light micrograph of a section through lung tissue and a bronchiole. Bronchi form branches from the trachea and gradually diminish in diameter with increasing branching into bronchioles within the lung — Stock Photo
    Lung bronchiole. Light micrograph of a section through lung tissue and a bronchiole. Bronchi form branches from the trachea and gradually diminish in diameter with increasing branching into bronchioles within the lung
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure