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    Lobar pneumonia in stage of grey hepatisation or late consolidation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of grey hepatisation or late consolidation, digital illustration and light micrograph.
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Dividing prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Dividing prostate cancer cells, coloured scanning electron micrograph.
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    Basal cell carcinoma — Stock Photo
    Basal cell carcinoma
    Light micrograph of a section through skin from the scalp. — Stock Photo
    Light micrograph of a section through skin from the scalp.
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Abstract view of plant tissue in light micrograph. — Stock Photo
    Abstract view of plant tissue in light micrograph.
    Coloured scanning electron micrograph of human cancellous spongy bone tissue. — Stock Photo
    Coloured scanning electron micrograph of human cancellous spongy bone tissue.
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Phase contrast light micrograph of Paramecium a ciliate protozoan. — Stock Photo
    Phase contrast light micrograph of Paramecium a ciliate protozoan.
    Normal human renal artery — Stock Photo
    Normal human renal artery
    Leech, coloured scanning electron micrograph (SEM). — Stock Photo
    Leech, coloured scanning electron micrograph (SEM).
    Pseudomonas aeruginosa bacteria — Stock Photo
    Pseudomonas aeruginosa bacteria
    Iris stem cellular structure — Stock Photo
    Iris stem cellular structure
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Coloured scanning electron micrograph of cancer cell from human colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cell from human colon.
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Young pine tree stem — Stock Photo
    Young pine tree stem
    Coloured scanning electron micrograph of breast cancer cell. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cell.
    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.
    Red and white blood cells aggregating — Stock Photo
    Red and white blood cells aggregating
    Asparagus beetle head — Stock Photo
    Asparagus beetle head
    Light micrograph of a buccal mucosa cell. This cell lines the cheeks and the back of the lips. — Stock Photo
    Light micrograph of a buccal mucosa cell. This cell lines the cheeks and the back of the lips.
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Cat flea. Coloured scanning electron micrograph (SEM) of a cat flea (Ctenocephalides felis). Its body is laterally-flattened to allow it to move easily through the fur of its cat host. The flea's antennae can be withdrawn into its head — Stock Photo
    Cat flea. Coloured scanning electron micrograph (SEM) of a cat flea (Ctenocephalides felis). Its body is laterally-flattened to allow it to move easily through the fur of its cat host. The flea's antennae can be withdrawn into its head
    Electron micrograph of Bacteria and yeast — Stock Photo
    Electron micrograph of Bacteria and yeast
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change. — Stock Photo
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change.
    Human large intestine tissue, light micrograph. — Stock Photo
    Human large intestine tissue, light micrograph.
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with from primary biliary cirrhosis. Cirrhosis is a disease in which bands of fibrosis (internal scarring) break up the internal structure of the liver — Stock Photo
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with from primary biliary cirrhosis. Cirrhosis is a disease in which bands of fibrosis (internal scarring) break up the internal structure of the liver
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Coloured scanning electron micrograph of human cancellous spongy bone tissue. — Stock Photo
    Coloured scanning electron micrograph of human cancellous spongy bone tissue.
    Retina. Light micrograph (LM) of a section through a retina. The eye works by allowing light to be focused by the lens onto the retina — Stock Photo
    Retina. Light micrograph (LM) of a section through a retina. The eye works by allowing light to be focused by the lens onto the retina
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Hair follicles structure — Stock Photo
    Hair follicles structure
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Light micrograph (LM) showing blood supply to muscle fibers. — Stock Photo
    Light micrograph (LM) showing blood supply to muscle fibers.
    Non-activated blood cell fragments platelets, coloured scanning electron micrograph. — Stock Photo
    Non-activated blood cell fragments platelets, coloured scanning electron micrograph.
    Female copepod with eggs — Stock Photo
    Female copepod with eggs
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Lungs cancer, digital illustration showing malignant tumour in lung. — Stock Photo
    Lungs cancer, digital illustration showing malignant tumour in lung.
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms. — Stock Photo
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms.
    Squamous carcinoma of the skin — Stock Photo
    Squamous carcinoma of the skin
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Longitudinal section through smooth muscle — Stock Photo
    Longitudinal section through smooth muscle
    Cat flea head — Stock Photo
    Cat flea head
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    Trachea (wind pipe) lining, coloured scanning electron micrograph (SEM). — Stock Photo
    Trachea (wind pipe) lining, coloured scanning electron micrograph (SEM).
    Light micrograph of single-celled Amoeba engulfing protozoan Paramecium. — Stock Photo
    Light micrograph of single-celled Amoeba engulfing protozoan Paramecium.
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Purple colored dust mite, digital illustration. — Stock Photo
    Purple colored dust mite, digital illustration.