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    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain.
    Network system on black background, conceptual digital illustration. — Stock Photo
    Network system on black background, conceptual digital illustration.
    Illustration of human spinal vertebra on white background. — Stock Photo
    Illustration of human spinal vertebra on white background.
    Normal human renal artery — Stock Photo
    Normal human renal artery
    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.
    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.
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Tea in a leaf-shaped dish — Stock Photo
    Tea in a leaf-shaped dish
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM).
    Illustration of an adenovirus particle entering a cell. Adenoviruses are the largest viruses not to have a protein coat covering their capsid — Stock Photo
    Illustration of an adenovirus particle entering a cell. Adenoviruses are the largest viruses not to have a protein coat covering their capsid
    Sciatic nerve showing a bundle of nerve fibres — Stock Photo
    Sciatic nerve showing a bundle of nerve 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).
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Illustration of human spinal vertebra on white background. — Stock Photo
    Illustration of human spinal vertebra on white background.
    Global connectivity, computer illustration — Stock Photo
    Global connectivity, computer illustration
    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
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Toothbrush bristles, coloured scanning electron micrograph (SEM). — Stock Photo
    Toothbrush bristles, coloured scanning electron micrograph (SEM).
    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
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye
    Illustration of human spinal vertebra on white background. — Stock Photo
    Illustration of human spinal vertebra on white background.
    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
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen — Stock Photo
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen
    Sciatic nerve showing a bundle of nerve fibres — Stock Photo
    Sciatic nerve showing a bundle of nerve fibres
    Cashmere wool fibres, coloured scanning electron micrograph (SEM). — Stock Photo
    Cashmere wool fibres, coloured scanning electron micrograph (SEM).
    Cross-section of human skin with hair follicle, digital illustration. — Stock Photo
    Cross-section of human skin with hair follicle, digital illustration.
    Longitudinal section of a human sciatic l nerve — Stock Photo
    Longitudinal section of a human sciatic l nerve
    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.
    Tendon showing the parallel collagen fibres — Stock Photo
    Tendon showing the parallel collagen fibres
    Coloured scanning electron micrograph (SEM) of Cotton t-shirt collar with dirt, dead skin, etc. embedded in fibres. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Cotton t-shirt collar with dirt, dead skin, etc. embedded in fibres.
    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 (cyan) — 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 (cyan)
    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
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen — Stock Photo
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen
    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
    Cardiac muscle cells — Stock Photo
    Cardiac muscle cells
    Section of a muscular artery — Stock Photo
    Section of a muscular artery
    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).
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    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.
    Used surgical swab — Stock Photo
    Used surgical swab
    Oligodendrocyte cell structure — Stock Photo
    Oligodendrocyte cell structure
    Coloured scanning electron micrograph (SEM) of Asbestos fiberschrysotile type. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Asbestos fiberschrysotile type.
    Coloured scanning electron micrograph (SEM) of Breakfast food (cereal) corn flake. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Breakfast food (cereal) corn flake.
    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.
    Dental floss with cheek cells — Stock Photo
    Dental floss with cheek cells
    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