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    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.
    Vaccinia virus particle — Stock Photo
    Vaccinia virus particle
    Coloured scanning electron micrograph (SEM) of Surface recording grooves of a 78 rpm phonograph record. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Surface recording grooves of a 78 rpm phonograph record.
    Person holding dental mold, close-up. — Stock Photo
    Person holding dental mold, close-up.
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    Influenza viruses and host cell — Stock Photo
    Influenza viruses and host cell
    Parotid salivary gland — Stock Photo
    Parotid salivary gland
    Crypts of Lieberkuhn. Light micrograph (LM). Crypts of Lieberkuhn of the colon shown in cross section. Crypts are long blind-ending tube-like extensions of the surface epithelial lining of the gut — Stock Photo
    Crypts of Lieberkuhn. Light micrograph (LM). Crypts of Lieberkuhn of the colon shown in cross section. Crypts are long blind-ending tube-like extensions of the surface epithelial lining of the gut
    African American guy in latex gloves using mouth mirror and probe to check false teeth while working in modern laboratory — Stock Photo
    African American guy in latex gloves using mouth mirror and probe to check false teeth while working in modern laboratory
    Person painting prosthetic tooth, close-up. — Stock Photo
    Person painting prosthetic tooth, close-up.
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    Coho Salmon, also known as Silver Salmon (Oncorhynchus kisutch) in the act of spawning in an Alaskan stream during autumn; Alaska, United States of America — Stock Photo
    Coho Salmon, also known as Silver Salmon (Oncorhynchus kisutch) in the act of spawning in an Alaskan stream during autumn; Alaska, United States of America
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph. — Stock Photo
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph.
    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.
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    3D rendering of human skeletal system on black background — Stock Photo
    3D rendering of human skeletal system on black background
    Coloured scanning electron micrograph of 293T cell in early stage of programmed apoptosis cell death. — Stock Photo
    Coloured scanning electron micrograph of 293T cell in early stage of programmed apoptosis cell death.
    Flowering currant pollen grains — Stock Photo
    Flowering currant pollen grains
    House dust mites — Stock Photo
    House dust mites
    Protozoan infection in human intestinal lumen — Stock Photo
    Protozoan infection in human intestinal lumen
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Breast cancer screening — Stock Photo
    Breast cancer screening
    Coloured X-ray of arthritic knees — Stock Photo
    Coloured X-ray of arthritic knees
    False caterpillar of the rose bush (Arge rosae) — Stock Photo
    False caterpillar of the rose bush (Arge rosae)
    City skyline with stadium and False Creek of Vancouver in twilight, British Columbia, Canada — Stock Photo
    City skyline with stadium and False Creek of Vancouver in twilight, British Columbia, Canada
    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.
    Total hip replacement, — Stock Photo
    Total hip replacement,
    Waterlily pollen (Nymphaea mexicana), coloured scanning electron micrograph (SEM). — Stock Photo
    Waterlily pollen (Nymphaea mexicana), coloured scanning electron micrograph (SEM).
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is blue. Mitochondria (cyan)) in the cell's cytoplasm produce energy for the cell. Lysosomes (red) contain enzymes for digesting foreign particles. M — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is blue. Mitochondria (cyan)) in the cell's cytoplasm produce energy for the cell. Lysosomes (red) contain enzymes for digesting foreign particles. M
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Night view across False Creek and stadium venue in Vancouver, British Columbia, Canada. — Stock Photo
    Night view across False Creek and stadium venue in Vancouver, British Columbia, Canada.
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Model of human teeth — Stock Photo
    Model of human teeth
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Black colleagues examining denture in laboratory — Stock Photo
    Black colleagues examining denture in laboratory
    White blood cell — Stock Photo
    White blood cell
    Black colleagues examining denture in laboratory — Stock Photo
    Black colleagues examining denture in laboratory
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue. — Stock Photo
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue.
    Dentist showing denture model to patient in clinic — Stock Photo
    Dentist showing denture model to patient in clinic
    Marine pennate diatom frustule — Stock Photo
    Marine pennate diatom frustule
    Lineata moon shells, coloured X-ray. — Stock Photo
    Lineata moon shells, coloured X-ray.
    False Klamath Cove Beach — Stock Photo
    False Klamath Cove Beach
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear. — Stock Photo
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear.
    Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin.
    Digital artwork of Clostridium perfringens Gram-positive rod-shaped bacteria. — Stock Photo
    Digital artwork of Clostridium perfringens Gram-positive rod-shaped bacteria.
    Vaccinia virus particle — Stock Photo
    Vaccinia virus particle
    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.
    A Grappling Hook, An Important Tool On A Commercial Halibut Fishing Boat; Southwest Alaska, United States Of America — Stock Photo
    A Grappling Hook, An Important Tool On A Commercial Halibut Fishing Boat; Southwest Alaska, United States Of America
    Campylobacter jejuni bacteria with flagella, digital artwork. — Stock Photo
    Campylobacter jejuni bacteria with flagella, digital artwork.
    Degenerative foot deformation — Stock Photo
    Degenerative foot deformation
    Cancer cell clinging to human colon tissue, conceptual illustration. — Stock Photo
    Cancer cell clinging to human colon tissue, conceptual illustration.
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Intestinal microvilli. Coloured transmission electron micrograph (TEM) of a section through microvilli from the small intestine. These tiny structures (cyan) form a dense brush-like covering on the absorptive surfaces of the cells — Stock Photo
    Intestinal microvilli. Coloured transmission electron micrograph (TEM) of a section through microvilli from the small intestine. These tiny structures (cyan) form a dense brush-like covering on the absorptive surfaces of the cells
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli. — Stock Photo
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli.
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom