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    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red).
    Sciatic nerve showing a bundle of nerve fibres — Stock Photo
    Sciatic nerve showing a bundle of nerve fibres
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    Anatomy of human hyoid bone and muscles — Stock Photo
    Anatomy of human hyoid bone and muscles
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Cardiac muscle from a healthy heart — Stock Photo
    Cardiac muscle from a healthy heart
    Gall bladder lining — Stock Photo
    Gall bladder lining
    Fibroblast cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Fibroblast cell, coloured scanning electron micrograph (SEM).
    Coloured scanning electron micrograph (SEM) of a section through healthy skin. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through healthy skin.
    Sciatic nerve showing a bundle of nerve fibres — Stock Photo
    Sciatic nerve showing a bundle of nerve fibres
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Anatomy of the female breast with labels — Stock Photo
    Anatomy of the female breast with labels
    Section through a Pacinian corpuscle — Stock Photo
    Section through a Pacinian corpuscle
    Anatomy of human hyoid bone and neck muscles — Stock Photo
    Anatomy of human hyoid bone and neck muscles
    Anatomy of human forearm muscles with labels — Stock Photo
    Anatomy of human forearm muscles with labels
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Cross section of human eye on white background — Stock Photo
    Cross section of human eye on white background
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres. — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres.
    Tendon showing the parallel collagen fibres — Stock Photo
    Tendon showing the parallel collagen fibres
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    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).
    Tendon showing the parallel collagen fibres — Stock Photo
    Tendon showing the parallel collagen fibres
    Fracture through the thyroid gland — Stock Photo
    Fracture through the thyroid gland
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Male muscle anatomy of the human legs — Stock Photo
    Male muscle anatomy of the human legs
    Skeletal muscle structure — Stock Photo
    Skeletal muscle structure
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Medical illustration of forearm muscles anatomy — Stock Photo
    Medical illustration of forearm muscles anatomy
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Scanning electron micrograph (SEM) of sarcoma cells in culture. — Stock Photo
    Scanning electron micrograph (SEM) of sarcoma cells in culture.
    Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink). — Stock Photo
    Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink).
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Areolar connective tissue, light micrograph. — Stock Photo
    Areolar connective tissue, light micrograph.
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink).
    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
    Nerve cell structure in cross section on white background, digital illustration. — Stock Photo
    Nerve cell structure in cross section on white background, digital illustration.
    Coloured profile (side view) X-ray of a healthy breast. — Stock Photo
    Coloured profile (side view) X-ray of a healthy breast.
    Fibroblast cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Fibroblast cell, coloured scanning electron micrograph (SEM).
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    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
    Colored scanning electron micrograph showing urethral epithelium of urethra. — Stock Photo
    Colored scanning electron micrograph showing urethral epithelium of urethra.
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Light micrograph (LM) of longitudinal section through a fetal finger tip to show the developing nail. — Stock Photo
    Light micrograph (LM) of longitudinal section through a fetal finger tip to show the developing nail.
    Areolar connective tissue, light micrograph. — Stock Photo
    Areolar connective tissue, light micrograph.
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Blue colored nerve cell on white background, digital illustration. — Stock Photo
    Blue colored nerve cell on white background, digital illustration.
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    Red colored nerve cell on dark background, digital illustration. — Stock Photo
    Red colored nerve cell on dark background, digital illustration.
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Nerve cell with many dendrites on blue background, digital illustration. — Stock Photo
    Nerve cell with many dendrites on blue background, digital illustration.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Skeletal muscle structure — Stock Photo
    Skeletal muscle structure
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (yellow) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (yellow)
    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