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    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats — Stock Photo
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms. — Stock Photo
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms.
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (green) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (green)
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Komodo dragon skin, coloured scanning electron micrograph (SEM). The Komodo dragon (Varanus komodoensis) has armoured scaly skin. It is the largest lizard in the world, reaching over three metres in length — Stock Photo
    Komodo dragon skin, coloured scanning electron micrograph (SEM). The Komodo dragon (Varanus komodoensis) has armoured scaly skin. It is the largest lizard in the world, reaching over three metres in length
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum. — Stock Photo
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum.
    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.
    Fractured pancreas tissue — Stock Photo
    Fractured pancreas tissue
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Osteoporotic bone abnormality — Stock Photo
    Osteoporotic bone abnormality
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium — Stock Photo
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Fracture through the thyroid gland — Stock Photo
    Fracture through the thyroid gland
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Female copepod with eggs — Stock Photo
    Female copepod with eggs
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Blood clot structure — Stock Photo
    Blood clot structure
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Male sex cell — Stock Photo
    Male sex cell
    Bird bone tissue — Stock Photo
    Bird bone tissue
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Stick insect foot — Stock Photo
    Stick insect foot
    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
    Lining of the small intestine — Stock Photo
    Lining of the small intestine
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph.
    Colored scanning electron micrograph of osteosarcoma bone cancer cell. — Stock Photo
    Colored scanning electron micrograph of osteosarcoma bone cancer cell.
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample. — Stock Photo
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats — Stock Photo
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats
    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.
    Scanning electron micrograph of dermestid beetle head. — Stock Photo
    Scanning electron micrograph of dermestid beetle head.
    Blood clot structure — Stock Photo
    Blood clot structure
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Earthworm coloured scanning electron micrograph — Stock Photo
    Earthworm coloured scanning electron micrograph
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin