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    Normal human renal artery — Stock Photo
    Normal human renal artery
    Closeup of magnified part of black and brown ant with glossy belly and legs — Stock Photo
    Closeup of magnified part of black and brown ant with glossy belly and legs
    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
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body — Stock Photo
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Scientist checking a chemical solution in laboratory — Stock Photo
    Scientist checking a chemical solution in laboratory
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Focused adult female doctor in sterile mask and ornamental medical cap looking through surgical microscope against crop coworker in hospital — Stock Photo
    Focused adult female doctor in sterile mask and ornamental medical cap looking through surgical microscope against crop coworker in hospital
    Young female scientist doing test in laboratory, male scientist standing in background in laboratory. — Stock Photo
    Young female scientist doing test in laboratory, male scientist standing in background in laboratory.
    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.).
    House dust mites — Stock Photo
    House dust mites
    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 scientist using lab on a chip microscope. — Stock Photo
    Close-up of scientist using lab on a chip microscope.
    Female microbiologist pipetting into petri dishes in laboratory. — Stock Photo
    Female microbiologist pipetting into petri dishes in laboratory.
    Fungal cells revealing sporangium with spores — Stock Photo
    Fungal cells revealing sporangium with spores
    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.
    Scientist viewing plant leaf in petri dish under inverted microscope in laboratory. — Stock Photo
    Scientist viewing plant leaf in petri dish under inverted microscope in laboratory.
    Schoolboy using light microscope in school laboratory. — Stock Photo
    Schoolboy using light microscope in school laboratory.
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    Simple cuboidal epithelium, digital illustration. — Stock Photo
    Simple cuboidal epithelium, digital illustration.
    Goldsmith examining diamond through loupe in workshop — Stock Photo
    Goldsmith examining diamond through loupe in workshop
    Male scientist using microscope in laboratory — Stock Photo
    Male scientist using microscope in laboratory
    Laboratory technician with micro pipette sampling into test tube. — Stock Photo
    Laboratory technician with micro pipette sampling into test tube.
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    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.
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower.
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    Scientist viewing medical sample on glass slide under microscope in laboratory. — Stock Photo
    Scientist viewing medical sample on glass slide under microscope in laboratory.
    Bird bone tissue — Stock Photo
    Bird bone tissue
    Close-up shot of surgeon in operating room at work — Stock Photo
    Close-up shot of surgeon in operating room at work
    Section through a Pacinian corpuscle — Stock Photo
    Section through a Pacinian corpuscle
    Section through an osteoid osteoma — Stock Photo
    Section through an osteoid osteoma
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Female scientist taking sample from culture in Petri dish. — Stock Photo
    Female scientist taking sample from culture in Petri dish.
    Lining of the small intestine — Stock Photo
    Lining of the small intestine
    Teenage girl experimenting on microscope in laboratory at university — Stock Photo
    Teenage girl experimenting on microscope in laboratory at university
    Varicella zoster virus particle — Stock Photo
    Varicella zoster virus particle
    Magnified digital illustration of megakaryocyte cell. — Stock Photo
    Magnified digital illustration of megakaryocyte cell.
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli. — Stock Photo
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli.
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Nanostructures formed on a silicon surface — Stock Photo
    Nanostructures formed on a silicon surface
    Laboratory technician with micro pipette sampling into petri dish. — Stock Photo
    Laboratory technician with micro pipette sampling into petri dish.
    Girl student using microscope in classroom — Stock Photo
    Girl student using microscope in classroom
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen — Stock Photo
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen
    Close up of microscope in laboratory — Stock Photo
    Close up of microscope in laboratory
    From above doctor in medical mask and uniform injecting ovum on Petri dish and examining cell through microscope in laboratory of modern fertility clinic — Stock Photo
    From above doctor in medical mask and uniform injecting ovum on Petri dish and examining cell through microscope in laboratory of modern fertility clinic
    Section through a grape stem — Stock Photo
    Section through a grape stem
    Closeup of magnified grey head of flying insect with round convex green eyes — Stock Photo
    Closeup of magnified grey head of flying insect with round convex green eyes
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    Scorpion fly foot — Stock Photo
    Scorpion fly foot
    Asparagus beetle head — Stock Photo
    Asparagus beetle head
    Scientists using microscope in laboratory — Stock Photo
    Scientists using microscope in laboratory
    Eager girl students raising arms behind microscopes in laboratory classroom — Stock Photo
    Eager girl students raising arms behind microscopes in laboratory classroom
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum. — Stock Photo
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum.
    Science professor helping college student conducting scientific experiment in science laboratory classroom — Stock Photo
    Science professor helping college student conducting scientific experiment in science laboratory classroom