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    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)
    Light micrograph of onion (Allium cepa) root tip cells undergoing mitosis (nuclear division). — Stock Photo
    Light micrograph of onion (Allium cepa) root tip cells undergoing mitosis (nuclear division).
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Hair follicles structure — Stock Photo
    Hair follicles structure
    Light micrograph of liver fluke eggs in a fish scale. — Stock Photo
    Light micrograph of liver fluke eggs in a fish scale.
    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 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.
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla). — Stock Photo
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla).
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Section through the cerebellum in the brain — Stock Photo
    Section through the cerebellum in the brain
    Bile duct cellular sctructure — Stock Photo
    Bile duct cellular sctructure
    Schoolboy using light microscope in school laboratory. — Stock Photo
    Schoolboy using light microscope in school laboratory.
    Taste buds. Coloured light micrograph of a section through the tongue, showing taste buds (round, purple). The taste buds are within papillae (projections) located on the surface of the tongue — Stock Photo
    Taste buds. Coloured light micrograph of a section through the tongue, showing taste buds (round, purple). The taste buds are within papillae (projections) located on the surface of the tongue
    Light micrograph of blood cells (mainly B cells, dark purple) in the liver of a patient with lymphocytic leukaemia. — Stock Photo
    Light micrograph of blood cells (mainly B cells, dark purple) in the liver of a patient with lymphocytic leukaemia.
    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.
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant — Stock Photo
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant
    Female biology student using light microscope in laboratory. — Stock Photo
    Female biology student using light microscope in laboratory.
    Dust mite, light micrograph — Stock Photo
    Dust mite, light micrograph
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    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 (LM) showing blood supply to muscle fibers. — Stock Photo
    Light micrograph (LM) showing blood supply to muscle fibers.
    Light microscope on laboratory bench. — Stock Photo
    Light microscope on laboratory bench.
    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 microscope in laboratory, close-up. — Stock Photo
    Light microscope in laboratory, close-up.
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    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
    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
    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.
    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.
    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
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain.
    Section through a peanut stem — Stock Photo
    Section through a peanut stem
    Tapeworm of cattle and other grazing animals, light micrograph. — Stock Photo
    Tapeworm of cattle and other grazing animals, light micrograph.
    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.
    Light micrograph (LM) of a section through the fingertip. — Stock Photo
    Light micrograph (LM) of a section through the fingertip.
    Section through a thyroid gland — Stock Photo
    Section through a thyroid gland
    Male hand opening agar plate for microbiology research. — Stock Photo
    Male hand opening agar plate for microbiology research.
    Female scientist taking sample from culture in Petri dish. — Stock Photo
    Female scientist taking sample from culture in Petri dish.
    Hands of scientist researching sample in petri dish under light microscope. — Stock Photo
    Hands of scientist researching sample in petri dish under light microscope.
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    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
    Adult female doctor in surgical uniform and sterile mask sitting in clinic — Stock Photo
    Adult female doctor in surgical uniform and sterile mask sitting in clinic
    Skull affected by Paget's disease — Stock Photo
    Skull affected by Paget's disease
    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.
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Plantar skin, light micrograph (LM) of sectioned foot sole skin. The skin on the soles of the feet is referred to as plantar skin as the outer layer of keratin (stratum corneum) (top) is much thicker here than in the rest of the body — Stock Photo
    Plantar skin, light micrograph (LM) of sectioned foot sole skin. The skin on the soles of the feet is referred to as plantar skin as the outer layer of keratin (stratum corneum) (top) is much thicker here than in the rest of the body
    Microscope lens and laser light slide, close-up. — Stock Photo
    Microscope lens and laser light slide, close-up.
    Lime tree stem — Stock Photo
    Lime tree stem
    Mature scientist using light microscope in laboratory. — Stock Photo
    Mature scientist using light microscope in laboratory.
    Cropped view of scientist hands pipetting sample for biological research. — Stock Photo
    Cropped view of scientist hands pipetting sample for biological research.
    Light microscope objective lenses in laboratory. — Stock Photo
    Light microscope objective lenses in laboratory.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Stomach lining. Coloured light micrograph (LM) of the stomach. The lumen is at top (white). The surface of the mucosa consists of simple columnar cells that secrete mucus — Stock Photo
    Stomach lining. Coloured light micrograph (LM) of the stomach. The lumen is at top (white). The surface of the mucosa consists of simple columnar cells that secrete mucus
    Light micrograph (bottom left) and computer illustration (top right) of the lining of the stomach, known as the mucosa. — Stock Photo
    Light micrograph (bottom left) and computer illustration (top right) of the lining of the stomach, known as the mucosa.
    Neutrophil cells aggregating at site of infection — Stock Photo
    Neutrophil cells aggregating at site of infection
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Taste buds. Coloured light micrograph of a section through the tongue, showing taste buds (round, purple). The taste buds are within papillae (projections) located on the surface of the tongue — Stock Photo
    Taste buds. Coloured light micrograph of a section through the tongue, showing taste buds (round, purple). The taste buds are within papillae (projections) located on the surface of the tongue
    Scientist checking nanofibre structure under light microscope. — Stock Photo
    Scientist checking nanofibre structure under light microscope.
    Midrib of a tea leaf — Stock Photo
    Midrib of a tea leaf