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367 results

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    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Male sex cell — Stock Photo
    Male sex cell
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    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)
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Flowering currant pollen grains — Stock Photo
    Flowering currant pollen grains
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Prostate cancer cell, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cell, coloured scanning electron micrograph.
    Mobile phone speaker, colored scanning electron micrograph. — Stock Photo
    Mobile phone speaker, colored scanning electron micrograph.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower.
    Coloured scanning electron micrograph of cancer cells from colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cells from colon.
    Colored scanning electron micrograph of osteoblast osteocyte bone cell. — Stock Photo
    Colored scanning electron micrograph of osteoblast osteocyte bone cell.
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Activated platelet cells — Stock Photo
    Activated platelet cells
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Colored scanning electron micrograph showing urethral epithelium of urethra. — Stock Photo
    Colored scanning electron micrograph showing urethral epithelium of urethra.
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    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.
    Sapphire, SEM — Stock Photo
    Sapphire, SEM
    Nanostructures formed on a silicon surface — Stock Photo
    Nanostructures formed on a silicon surface
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines — Stock Photo
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines
    Red blood cells — Stock Photo
    Red blood cells
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum — Stock Photo
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum
    Scanning electron microscopy of DNA molecules and red and white blood cells. — Stock Photo
    Scanning electron microscopy of DNA molecules and red and white blood cells.
    Plaque-forming bacteria, colored scanning electron micrograph. — Stock Photo
    Plaque-forming bacteria, colored scanning electron micrograph.
    Heart strings strings — Stock Photo
    Heart strings strings
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Marjoram (Origanum vilgare) leaf surface, coloured scanning electron micrograph (SEM). — Stock Photo
    Marjoram (Origanum vilgare) leaf surface, coloured scanning electron micrograph (SEM).
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Acinar pancreatic cell — Stock Photo
    Acinar pancreatic cell
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear.
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.