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    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood — Stock Photo
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    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
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    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
    Acinar pancreatic cell — Stock Photo
    Acinar pancreatic cell
    Sapphire, SEM — Stock Photo
    Sapphire, SEM
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple. — Stock Photo
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Dense connective tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Dense connective tissue, coloured scanning electron micrograph (SEM).
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Coloured scanning electron micrograph of tardigrade water bear. — Stock Photo
    Coloured scanning electron micrograph of tardigrade water bear.
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Female copepod with eggs — Stock Photo
    Female copepod with eggs
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system — Stock Photo
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Blood clot structure — Stock Photo
    Blood clot structure
    Heart strings strings — Stock Photo
    Heart strings strings
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    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
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Mobile phone speaker, colored scanning electron micrograph. — Stock Photo
    Mobile phone speaker, colored scanning electron micrograph.
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Used surgical swab — Stock Photo
    Used surgical swab
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Colored scanning electron micrograph showing urethral epithelium of urethra. — Stock Photo
    Colored scanning electron micrograph showing urethral epithelium of urethra.
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Bacteria from a coin. Coloured scanning electron micrograph (SEM) of bacteria cultured from a english one pound coin — Stock Photo
    Bacteria from a coin. Coloured scanning electron micrograph (SEM) of bacteria cultured from a english one pound coin
    Mycobacterium smegmatis bacteria — Stock Photo
    Mycobacterium smegmatis bacteria
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    House dust mites — Stock Photo
    House dust mites
    Male sex cell — Stock Photo
    Male sex cell
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells — Stock Photo
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres