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    Prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cells, coloured scanning electron micrograph.
    Blue brain tumour on magnetic resonance imaging scan, illustration. — Stock Photo
    Blue brain tumour on magnetic resonance imaging scan, illustration.
    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
    Colored scanning electron micrograph of osteoblast osteocyte bone cell. — Stock Photo
    Colored scanning electron micrograph of osteoblast osteocyte bone cell.
    White blood cell — Stock Photo
    White blood cell
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Men shooting at target — Stock Photo
    Men shooting at target
    Young vain man in stylish wear with lady's purse standing on tiled wall while looking at camera — Stock Photo
    Young vain man in stylish wear with lady's purse standing on tiled wall while looking at camera
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Dentist showing set of model teeth to patient in clinic — Stock Photo
    Dentist showing set of model teeth to patient in clinic
    Bacteria from a coin. Coloured scanning electron micrograph (SEM) of bacteria cultured from a english one pound coin — Stock Photo
    Bacteria from a coin. Coloured scanning electron micrograph (SEM) of bacteria cultured from a english one pound coin
    Long leaves and pastel flower buds, coloured X-ray. — Stock Photo
    Long leaves and pastel flower buds, coloured X-ray.
    Female copepod with eggs — Stock Photo
    Female copepod with eggs
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    Degenerative foot deformation, X-ray — Stock Photo
    Degenerative foot deformation, X-ray
    Coloured frontal X-ray of a blocked intestine (upper centre). — Stock Photo
    Coloured frontal X-ray of a blocked intestine (upper centre).
    Closeup of a denture in a laboratory — Stock Photo
    Closeup of a denture in a laboratory
    Dentures on table against white background. — Stock Photo
    Dentures on table against white background.
    Old church in English countryside — Stock Photo
    Old church in English countryside
    Coloured 3D computed tomography (CT) scan of the healthy lungs of a 30 year old patient. — Stock Photo
    Coloured 3D computed tomography (CT) scan of the healthy lungs of a 30 year old patient.
    3D rendering of human skeletal system on black background — Stock Photo
    3D rendering of human skeletal system on black background
    Total hip replacement — Stock Photo
    Total hip replacement
    Human hair shafts, digital illustration. — Stock Photo
    Human hair shafts, digital illustration.
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear.
    Leukaemia cells in a patient with Bloom's syndrome, coloured transmission electron micrograph (TEM). — Stock Photo
    Leukaemia cells in a patient with Bloom's syndrome, coloured transmission electron micrograph (TEM).
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph.
    Normal elbow joint anatomy — Stock Photo
    Normal elbow joint anatomy
    Coloured X-ray of the foot of a 22-year-old male patient with a spur (osteophyte, highlighted) affecting the tibia (shin bone). — Stock Photo
    Coloured X-ray of the foot of a 22-year-old male patient with a spur (osteophyte, highlighted) affecting the tibia (shin bone).
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    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
    Cambie Bridge and city skyline with retractable roof on Place Stadium, False Creek, Vancouver, British Columbia, Canada — Stock Photo
    Cambie Bridge and city skyline with retractable roof on Place Stadium, False Creek, Vancouver, British Columbia, Canada
    Human hair shafts, digital illustration. — Stock Photo
    Human hair shafts, digital illustration.
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Digital illustration of female lyme disease tick — Stock Photo
    Digital illustration of female lyme disease tick
    Colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer. — Stock Photo
    Colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer.
    Normal ankle joint, coloured frontal X-ray. — Stock Photo
    Normal ankle joint, coloured frontal X-ray.
    False-colour Magnetic Resonance Image (MRI) of an axial section through a human head, showing the division of the bulk of the brain into left and right cerebral hemispheres. — Stock Photo
    False-colour Magnetic Resonance Image (MRI) of an axial section through a human head, showing the division of the bulk of the brain into left and right cerebral hemispheres.
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    Great coneflower (Rudbeckia maxima), coloured X-ray. — Stock Photo
    Great coneflower (Rudbeckia maxima), coloured X-ray.
    Fractured pancreas tissue — Stock Photo
    Fractured pancreas tissue
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections — Stock Photo
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells.
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Colored scanning electron micrograph of anthrax gram-positive, rod-shaped bacteria known as Bacillus anthracis. — Stock Photo
    Colored scanning electron micrograph of anthrax gram-positive, rod-shaped bacteria known as Bacillus anthracis.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Salt water pennate diatom frustule — Stock Photo
    Salt water pennate diatom frustule
    Mature virus and budding release of HIV — Stock Photo
    Mature virus and budding release of HIV
    Coloured scanning electron micrograph of tardigrade water bear. — Stock Photo
    Coloured scanning electron micrograph of tardigrade water bear.
    Copepod, coloured scanning electron micrograph (SEM). — Stock Photo
    Copepod, coloured scanning electron micrograph (SEM).
    Delighted African American female with braids using mouth mirror and probe to show coworker false teeth during work in lab — Stock Photo
    Delighted African American female with braids using mouth mirror and probe to show coworker false teeth during work in lab
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators — Stock Photo
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators
    Coho Salmon, also known as Silver Salmon (Oncorhynchus kisutch) false spawning melee in an Alaskan stream during autumn; Alaska, United States of America — Stock Photo
    Coho Salmon, also known as Silver Salmon (Oncorhynchus kisutch) false spawning melee in an Alaskan stream during autumn; Alaska, United States of America
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.