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    Colored scanning electron micrograph of scales from silverfish insect living fossil. — Stock Photo
    Colored scanning electron micrograph of scales from silverfish insect living fossil.
    Dense connective tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Dense connective tissue, coloured scanning electron micrograph (SEM).
    Heart strings strings — Stock Photo
    Heart strings strings
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear. — Stock Photo
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear.
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone. Magnification: x5000 when printed at 10 centimetres wide — Stock Photo
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone. Magnification: x5000 when printed at 10 centimetres wide
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body — Stock Photo
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph.
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake — Stock Photo
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower.
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Asparagus beetle head — Stock Photo
    Asparagus beetle head
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms. — Stock Photo
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Used surgical swab — Stock Photo
    Used surgical swab
    Red blood cells — Stock Photo
    Red blood cells
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    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.
    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)
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Bird bone tissue — Stock Photo
    Bird bone tissue
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Male sex cell — Stock Photo
    Male sex cell
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Dog tapeworm head — Stock Photo
    Dog tapeworm head
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Cat flea head — Stock Photo
    Cat flea head
    Colored scanning electron micrograph of osteosarcoma bone cancer cell. — Stock Photo
    Colored scanning electron micrograph of osteosarcoma bone cancer cell.
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms. — Stock Photo
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms.
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake — Stock Photo
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Activated platelet cells — Stock Photo
    Activated platelet cells
    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
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Copepod, coloured scanning electron micrograph (SEM). — Stock Photo
    Copepod, coloured scanning electron micrograph (SEM).
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Bird bone tissue — Stock Photo
    Bird bone tissue