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    Cell cultures under microscope in laboratory. — Stock Photo
    Cell cultures under microscope in laboratory.
    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
    Light micrograph of a section through the liver of a patient with glycogenosis, or glycogen storage disease (GSD). GSD is a rare condition that changes the way the body uses and stores glycogen, a form of sugar or glucose. Haematoxylin and eosin stai — Stock Photo
    Light micrograph of a section through the liver of a patient with glycogenosis, or glycogen storage disease (GSD). GSD is a rare condition that changes the way the body uses and stores glycogen, a form of sugar or glucose. Haematoxylin and eosin stai
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Neutrophil cells aggregating at site of infection — Stock Photo
    Neutrophil cells aggregating at site of infection
    Human chromosomes, light micrograph. — Stock Photo
    Human chromosomes, light micrograph.
    Scientist examining cultured cells under microscope. — Stock Photo
    Scientist examining cultured cells under microscope.
    Scientist viewing sample on glass slide under light microscope. — Stock Photo
    Scientist viewing sample on glass slide 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.).
    Scientist examining cultured cells under microscope. — Stock Photo
    Scientist examining cultured cells under microscope.
    Light micrograph of a section through skin with a neurofibroma tumour (pink, across bottom). — Stock Photo
    Light micrograph of a section through skin with a neurofibroma tumour (pink, across bottom).
    Developing pig eye — Stock Photo
    Developing pig eye
    Ginger boy using light microscope on green grass. — Stock Photo
    Ginger boy using light microscope on green grass.
    Light micrograph of liver fluke eggs in a fish scale. — Stock Photo
    Light micrograph of liver fluke eggs in a fish scale.
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Close-up of light microscope lenses on white background. — Stock Photo
    Close-up of light microscope lenses on white background.
    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
    Light micrograph of a plant stem cross section. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of a plant stem cross section. Haematoxylin and eosin stain.
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    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
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain.
    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.
    Young pine tree stem — Stock Photo
    Young pine tree stem
    Scientist checking nanofibre structure under light microscope. — Stock Photo
    Scientist checking nanofibre structure under light microscope.
    Light micrograph of Aspergillus sp. Fungus. — Stock Photo
    Light micrograph of Aspergillus sp. Fungus.
    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)
    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.
    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 researcher using light microscope, close-up. — Stock Photo
    Female researcher using light microscope, close-up.
    Human chromosomes, light micrograph. — Stock Photo
    Human chromosomes, light micrograph.
    Dog roundworm eggs (Toxocara canis), light micrograph. — Stock Photo
    Dog roundworm eggs (Toxocara canis), light micrograph.
    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.
    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
    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.
    Bile duct cellular sctructure — Stock Photo
    Bile duct cellular sctructure
    Hand of scientist researching sample on microscope slide under light microscope. — Stock Photo
    Hand of scientist researching sample on microscope slide under light microscope.
    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.
    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
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells — Stock Photo
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells
    Lime tree stem — Stock Photo
    Lime tree stem
    Pollen grain, light micrograph. Pollen grain is the microscopic body that contains the male reproductive cell of a plant. — Stock Photo
    Pollen grain, light micrograph. Pollen grain is the microscopic body that contains the male reproductive cell of a plant.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Light micrograph of a section through the eye of a frog. — Stock Photo
    Light micrograph of a section through the eye of a frog.
    Tapeworm of cattle and other grazing animals, light micrograph. — Stock Photo
    Tapeworm of cattle and other grazing animals, light micrograph.
    Light microscope on laboratory bench. — Stock Photo
    Light microscope on laboratory bench.
    Female biology student using light microscope in laboratory. — Stock Photo
    Female biology student using light microscope in laboratory.
    Light micrograph of liver fluke eggs in a fish scale. — Stock Photo
    Light micrograph of liver fluke eggs in a fish scale.
    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.
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain.
    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.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light 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.
    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
    Duct is lined with pseudostratified epithelium — Stock Photo
    Duct is lined with pseudostratified epithelium
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Researcher handling stem cell cultures in laboratory during research. — Stock Photo
    Researcher handling stem cell cultures in laboratory during research.
    Close-up of light microscope lenses on white background. — Stock Photo
    Close-up of light microscope lenses on white background.