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    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
    3d illustration of optical light guide cables in grey and red with open ends which shining brightly. — Stock Photo
    3d illustration of optical light guide cables in grey and red with open ends which shining brightly.
    Tendon, coloured scanning electron micrograph showing bundles of collagen fibres. — Stock Photo
    Tendon, coloured scanning electron micrograph showing bundles of collagen fibres.
    3d illustration of optical light guide cables in different colours with open ends which shining brightly. — Stock Photo
    3d illustration of optical light guide cables in different colours with open ends which shining brightly.
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye
    Tea in a leaf-shaped dish — Stock Photo
    Tea in a leaf-shaped dish
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Sciatic nerve showing a bundle of nerve fibres — Stock Photo
    Sciatic nerve showing a bundle of nerve fibres
    Oligodendrocyte cell structure — Stock Photo
    Oligodendrocyte cell structure
    Tendon, coloured scanning electron micrograph showing bundles of collagen fibres. — Stock Photo
    Tendon, coloured scanning electron micrograph showing bundles of collagen fibres.
    Cotton bud with ear wax embedded in fibres, coloured scanning electron micrograph (SEM). — Stock Photo
    Cotton bud with ear wax embedded in fibres, coloured scanning electron micrograph (SEM).
    Normal human renal artery — Stock Photo
    Normal human renal artery
    Asbestos fibres in lung tissue, light micrograph. — Stock Photo
    Asbestos fibres in lung tissue, light micrograph.
    Cross-section of human skin with hair follicle, digital illustration. — Stock Photo
    Cross-section of human skin with hair follicle, digital illustration.
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Cashmere wool fibres, coloured scanning electron micrograph (SEM). — Stock Photo
    Cashmere wool fibres, coloured scanning electron micrograph (SEM).
    Illustration of human spinal vertebra on white background. — Stock Photo
    Illustration of human spinal vertebra on white background.
    Skeletal muscle structure — Stock Photo
    Skeletal muscle structure
    Human sciatic nerve — Stock Photo
    Human sciatic nerve
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Coloured scanning electron micrograph (SEM) of Asbestos fiberschrysotile type. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Asbestos fiberschrysotile type.
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph. — Stock Photo
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph.
    Illustration of human spinal vertebra on white background. — Stock Photo
    Illustration of human spinal vertebra on white background.
    Female of the human body louse — Stock Photo
    Female of the human body louse
    Tendon showing the parallel collagen fibres — Stock Photo
    Tendon showing the parallel collagen fibres
    Sciatic nerve showing a bundle of nerve fibres — Stock Photo
    Sciatic nerve showing a bundle of nerve fibres
    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 — 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
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Osteoblasts. Colored transmission electron micrograph (TEM) of osteoblasts, bone-producing cells (purple and pink). They contain rough endoplasmic reticulum (RER), which produces, modifies and transports proteins, and nucleus — Stock Photo
    Osteoblasts. Colored transmission electron micrograph (TEM) of osteoblasts, bone-producing cells (purple and pink). They contain rough endoplasmic reticulum (RER), which produces, modifies and transports proteins, and nucleus
    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
    Skeletal muscle structure — Stock Photo
    Skeletal muscle structure
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain.
    Light micrograph of a section through tissue showing an artery (middle ) and a vein (top left). — Stock Photo
    Light micrograph of a section through tissue showing an artery (middle ) and a vein (top left).
    3d illustration of optical light guide cable in yellow colour with open ends which shining brightly. — Stock Photo
    3d illustration of optical light guide cable in yellow colour with open ends which shining brightly.
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( blue) is an insulating fatty layer that surrounds the myelinated nerve fibres (pink) — Stock Photo
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( blue) is an insulating fatty layer that surrounds the myelinated nerve fibres (pink)
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Intestinal microvilli. Coloured transmission electron micrograph (TEM) of a section through microvilli from the small intestine. These tiny structures (cyan) form a dense brush-like covering on the absorptive surfaces of the cells — Stock Photo
    Intestinal microvilli. Coloured transmission electron micrograph (TEM) of a section through microvilli from the small intestine. These tiny structures (cyan) form a dense brush-like covering on the absorptive surfaces of the cells
    Longitudinal section of a human sciatic l nerve — Stock Photo
    Longitudinal section of a human sciatic l nerve
    Wall of a muscular artery — Stock Photo
    Wall of a muscular artery
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Toothbrush bristles, coloured scanning electron micrograph (SEM). — Stock Photo
    Toothbrush bristles, coloured scanning electron micrograph (SEM).
    Dental floss with cheek cells — Stock Photo
    Dental floss with cheek cells
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Sciatic nerve showing a bundle of nerve fibres — Stock Photo
    Sciatic nerve showing a bundle of nerve fibres
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Mimivirus, illustration. Acanthamoeba polyphaga mimivirus (APMV), commonly known as mimivirus, consists of outer hairs, or fibrils, and a protein coat (capsid) enclosing a deoxyribonucleic acid (DNA) genome — Stock Photo
    Mimivirus, illustration. Acanthamoeba polyphaga mimivirus (APMV), commonly known as mimivirus, consists of outer hairs, or fibrils, and a protein coat (capsid) enclosing a deoxyribonucleic acid (DNA) genome
    Longitudinal section of a human sciatic l nerve — Stock Photo
    Longitudinal section of a human sciatic l nerve
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Illustration of human spinal vertebra on white background. — Stock Photo
    Illustration of human spinal vertebra on white background.
    Tendon showing the parallel collagen fibres — Stock Photo
    Tendon showing the parallel collagen fibres
    3d illustration of optical light guide cables in different colours with open ends which shining brightly. — Stock Photo
    3d illustration of optical light guide cables in different colours with open ends which shining brightly.
    3d illustration of optical light guide cables in different colours with open ends which shining brightly. — Stock Photo
    3d illustration of optical light guide cables in different colours with open ends which shining brightly.
    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
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (blue) — Stock Photo
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (blue)
    Used surgical swab — Stock Photo
    Used surgical swab
    Skeletal muscle structure — Stock Photo
    Skeletal muscle structure
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye