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    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).
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Microvilli of gallbladder surface — Stock Photo
    Microvilli of gallbladder surface
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    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
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Nanostructures formed on a tantalum surface — Stock Photo
    Nanostructures formed on a tantalum surface
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    External mineralised structures of coccolithophores — Stock Photo
    External mineralised structures of coccolithophores
    Neutrophil cells. Coloured transmission electron micrograph (TEM) of human neutrophil cells. Neutrophils are involved in inflammatory responses to tissue damage, where they engulf and destroy microorganisms — Stock Photo
    Neutrophil cells. Coloured transmission electron micrograph (TEM) of human neutrophil cells. Neutrophils are involved in inflammatory responses to tissue damage, where they engulf and destroy microorganisms
    Angel trumpets pollen — Stock Photo
    Angel trumpets pollen
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Used surgical swab — Stock Photo
    Used surgical swab
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    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
    Contemporary professional microscope with powerful lenses placed on table in modern equipped lab — Stock Photo
    Contemporary professional microscope with powerful lenses placed on table in modern equipped lab
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (blue) — Stock Photo
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (blue)
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Fractured pancreas tissue — Stock Photo
    Fractured pancreas tissue
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Cat flea head — Stock Photo
    Cat flea head
    Mouse mammary tumour virus (MMTV) particles (blue), coloured transmission electron micrograph (TEM). MMTV induces malignant tumours in the mammary glands of certain strains of laboratory mice — Stock Photo
    Mouse mammary tumour virus (MMTV) particles (blue), coloured transmission electron micrograph (TEM). MMTV induces malignant tumours in the mammary glands of certain strains of laboratory mice
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Cat flea head — Stock Photo
    Cat flea head
    Male sex cell — Stock Photo
    Male sex cell
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Osteoporotic bone abnormality — Stock Photo
    Osteoporotic bone abnormality
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid — Stock Photo
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid
    Marjoram (Origanum vilgare) leaf surface, coloured scanning electron micrograph (SEM). — Stock Photo
    Marjoram (Origanum vilgare) leaf surface, coloured scanning electron micrograph (SEM).
    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
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Used surgical swab — Stock Photo
    Used surgical swab
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Blood clot formation — Stock Photo
    Blood clot formation