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    Aphid, light micrograph — Stock Photo
    Aphid, light micrograph
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae. — Stock Photo
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae.
    Haversian canals in compact bone, light micrograph. — Stock Photo
    Haversian canals in compact bone, light micrograph.
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Squamous carcinoma of the skin — Stock Photo
    Squamous carcinoma of the skin
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Angel trumpets pollen — Stock Photo
    Angel trumpets pollen
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Coloured scanning electron micrograph of tardigrade water bear. — Stock Photo
    Coloured scanning electron micrograph of tardigrade water bear.
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Stomach lining. Coloured light micrograph (LM) of the stomach. The lumen is at top (white). The surface of the mucosa consists of simple columnar cells that secrete mucus — Stock Photo
    Stomach lining. Coloured light micrograph (LM) of the stomach. The lumen is at top (white). The surface of the mucosa consists of simple columnar cells that secrete mucus
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla). — Stock Photo
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla).
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Light micrograph of a section through the eye of a frog. — Stock Photo
    Light micrograph of a section through the eye of a frog.
    Scientist pointing at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientist pointing at scanning electron micrographs of different nanofibre structures.
    Primula pollen grain — Stock Photo
    Primula pollen grain
    Cross section of human cartilage and bone, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Cross section of human cartilage and bone, light micrograph. Haematoxylin and eosin stain.
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph. — Stock Photo
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph.
    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
    Electron micrograph of dental plaque — Stock Photo
    Electron micrograph of dental plaque
    Coloured scanning electron micrograph of bacteria cultured from mobile phone. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone.
    Light micrograph of liver fluke eggs in a fish fin. — Stock Photo
    Light micrograph of liver fluke eggs in a fish fin.
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Bacillus megaterium bacterial colony, coloured scanning electron micrograph. — Stock Photo
    Bacillus megaterium bacterial colony, coloured scanning electron micrograph.
    Geranium pollen grain — Stock Photo
    Geranium pollen grain
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Light micrograph of blood cells (mainly B cells, dark purple) in the liver of a patient with lymphocytic leukaemia. — Stock Photo
    Light micrograph of blood cells (mainly B cells, dark purple) in the liver of a patient with lymphocytic leukaemia.
    Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid. — Stock Photo
    Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid.
    Lychnocanoma radiolarian shell — Stock Photo
    Lychnocanoma radiolarian shell
    Dividing prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Dividing prostate cancer cells, coloured scanning electron micrograph.
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Human bone marrow, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human bone marrow, light micrograph. Haematoxylin and eosin stain.
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Bacteria Erysipelothrix rhusiopathiae — Stock Photo
    Bacteria Erysipelothrix rhusiopathiae
    Light micrograph of a cross section of xylem. The xylem is a type of tissue in vascular plants that transports water and some nutrients. — Stock Photo
    Light micrograph of a cross section of xylem. The xylem is a type of tissue in vascular plants that transports water and some nutrients.
    Pancreatic cells. Colored transmission electron micrograph (TEM) of acinar (exocrine) pancreatic cells (red) adjacent to hormone- secreting (endocrine) Islet of Langerhans cells (yellow) — Stock Photo
    Pancreatic cells. Colored transmission electron micrograph (TEM) of acinar (exocrine) pancreatic cells (red) adjacent to hormone- secreting (endocrine) Islet of Langerhans cells (yellow)
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Light micrograph of a section through the surface of a tongue showing a circumvallate papilla (round, upper left), one of the structures that controls the sense of taste. — Stock Photo
    Light micrograph of a section through the surface of a tongue showing a circumvallate papilla (round, upper left), one of the structures that controls the sense of taste.
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli. — Stock Photo
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli.
    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
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Coloured scanning electron micrograph (SEM) of uric acid crystals. — Stock Photo
    Coloured scanning electron micrograph (SEM) of uric acid crystals.
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain.
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph.
    Midrib of a tea leaf — Stock Photo
    Midrib of a tea leaf
    Cannabis plant. Coloured scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant. The pointed hairs are called lithocyst cells. They contain cystoliths (calcium carbonate crystals) — Stock Photo
    Cannabis plant. Coloured scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant. The pointed hairs are called lithocyst cells. They contain cystoliths (calcium carbonate crystals)
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Coloured scanning electron micrograph (SEM) of hooks from a hooks and loops fastener, a two-sheet material used to fasten clothes and other fabrics. — Stock Photo
    Coloured scanning electron micrograph (SEM) of hooks from a hooks and loops fastener, a two-sheet material used to fasten clothes and other fabrics.
    Bacillus megaterium bacterial colony, coloured scanning electron micrograph. — Stock Photo
    Bacillus megaterium bacterial colony, coloured scanning electron micrograph.
    Illustration of abstract cancer cell with tentacles on plain background. — Stock Photo
    Illustration of abstract cancer cell with tentacles on plain background.
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs — Stock Photo
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs
    Mycobacterium chelonae bacteria — Stock Photo
    Mycobacterium chelonae bacteria
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    Odontoblasts and the dental pulp — Stock Photo
    Odontoblasts and the dental pulp