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    Closeup of a denture in a laboratory — Stock Photo
    Closeup of a denture in a laboratory
    Closeup of a denture in a laboratory — Stock Photo
    Closeup of a denture in a laboratory
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown) — Stock Photo
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown)
    Blood clot formation — Stock Photo
    Blood clot formation
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Fisherman holding a fresh caught Tarpon fish. Puerto Rico — Stock Photo
    Fisherman holding a fresh caught Tarpon fish. Puerto Rico
    Colored scanning electron micrograph of Liposcelis divinatorius booklouse. — Stock Photo
    Colored scanning electron micrograph of Liposcelis divinatorius booklouse.
    Stick insect foot — Stock Photo
    Stick insect foot
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Breast cancer screening — Stock Photo
    Breast cancer screening
    Coloured scanning electron micrograph (SEM) of a section through a foetal olfactory (smelling) sense organ known as the vomeronasal organ (VNO), or Jacobson organ. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a foetal olfactory (smelling) sense organ known as the vomeronasal organ (VNO), or Jacobson organ.
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells — Stock Photo
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth. — Stock Photo
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth.
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM). — Stock Photo
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM).
    Osteoblasts. Colored transmission electron micrograph (TEM) of osteoblasts, bone-producing cells (purple and pink). They contain rough endoplasmic reticulum (RER), which produces, modifies and transports proteins, and nucleus — Stock Photo
    Osteoblasts. Colored transmission electron micrograph (TEM) of osteoblasts, bone-producing cells (purple and pink). They contain rough endoplasmic reticulum (RER), which produces, modifies and transports proteins, and nucleus
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    MRI scan of normal brain — Stock Photo
    MRI scan of normal brain
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Scanning electron micrograph of dermestid beetle head. — Stock Photo
    Scanning electron micrograph of dermestid beetle head.
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink).
    Dental plaque scanning electron micrograph — Stock Photo
    Dental plaque scanning electron micrograph
    Heart of a 54 year old patient — Stock Photo
    Heart of a 54 year old patient
    Human red blood cells trapped in a fibrin blood clot, coloured scanning electron micrograph (SEM). — Stock Photo
    Human red blood cells trapped in a fibrin blood clot, coloured scanning electron micrograph (SEM).
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Clostridium phytofermentans bacteria — Stock Photo
    Clostridium phytofermentans bacteria
    Fractured ankle bone, computer illustration — Stock Photo
    Fractured ankle bone, computer illustration
    Coloured scanning electron micrograph (SEM) of Asbestos fiberschrysotile type. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Asbestos fiberschrysotile type.
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    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.
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Zebrafish young. Coloured scanning electron micrograph (SEM) of newly-hatched zebrafish (Danio rerio) young or fry. These fish are used to study embryonic development. The eyes (red) are seen in the heads. Zebrafish eggs are transparent — Stock Photo
    Zebrafish young. Coloured scanning electron micrograph (SEM) of newly-hatched zebrafish (Danio rerio) young or fry. These fish are used to study embryonic development. The eyes (red) are seen in the heads. Zebrafish eggs are transparent
    Dentist showing denture model to patient in clinic — Stock Photo
    Dentist showing denture model to patient in clinic
    Female dentist cleaning dental jaw model with toothbrush in clinic — Stock Photo
    Female dentist cleaning dental jaw model with toothbrush in clinic
    Degenerative foot deformation, X-ray — Stock Photo
    Degenerative foot deformation, X-ray
    Young stylish homosexual man in ornamental shirt and hat with long nails and tattoo looking at camera — Stock Photo
    Young stylish homosexual man in ornamental shirt and hat with long nails and tattoo looking at camera
    Healthy human brain — Stock Photo
    Healthy human brain
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Old church in English countryside — Stock Photo
    Old church in English countryside
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Lucy ball flower (Allium sp.), coloured X-ray. — Stock Photo
    Lucy ball flower (Allium sp.), coloured X-ray.
    Man holds fresh caught jack fish, panama — Stock Photo
    Man holds fresh caught jack fish, panama
    Tumour affecting the pituitary gland — Stock Photo
    Tumour affecting the pituitary gland
    Human red blood cells — Stock Photo
    Human red blood cells
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample. — Stock Photo
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample.
    Colored scanning electron micrograph of stem cell-derived motor neuron cell. — Stock Photo
    Colored scanning electron micrograph of stem cell-derived motor neuron cell.
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot — Stock Photo
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot
    Burrard and Cambie Bridges in city skyline at False Creek, Vancouver, British Columbia, Canada — Stock Photo
    Burrard and Cambie Bridges in city skyline at False Creek, Vancouver, British Columbia, Canada
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum. — Stock Photo
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum.
    Coloured scanning electron micrograph of breast cancer cell. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cell.
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Young vain man in stylish wear with lady's purse standing on tiled wall while looking away — Stock Photo
    Young vain man in stylish wear with lady's purse standing on tiled wall while looking away
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM). — Stock Photo
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM).
    Hip before hip replacement surgery, X-ray — Stock Photo
    Hip before hip replacement surgery, X-ray
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria