Myelin Sheath Gallery

Regenerating nerve cell, TEM
Regenerating nerve cell. Coloured transmission electron micrograph (TEM) of a section through a nerve axon (blue) regenerating within a Schwann cell (light brown)

Illustration of neuron in a human being (Homo sapiens)

Illustration of human nerve cell cross section showing dendrite, soma, axon, nucleus, nodes and myelin sheath

Myelin deterioration, artwork F008 / 0783
Myelin deterioration, computer artwork

Nerve bundle, light micrograph
Nerve bundle. Light micrograph of a section through a nerve bundle from the sciatic nerve. Myelin sheaths (dark blue circles) can be seen surrounding the axons (light blue dots)

Nerve cells, artwork C015 / 4265
Nerve cells. Computer artwork of two nerve cells or neurons. Neurons are responsible for passing information around the central nervous system (CNS) and from the CNS to the rest of the body

Multiple sclerosis, light micrograph
Multiple sclerosis. Light micrograph of a section through the brain showing a large area of demyelinated nerve fibres (light pink, top) due to multiple sclerosis

Nerve fibre node, TEM C014 / 1458
Nerve fibre node. Transmission electron micrograph (TEM) of a longitudinal section through a nerve fibre at a node of Ranvier, showing the nerve tissue (red) and the myelin sheath (dark blue)

Brain cell, TEM C014 / 0358
Brain cell. Transmission electron micrograph (TEM) of a section through an oligodendrocyte in human brain tissue. Oligodendrocytes occur in both the white

Brain cell, TEM C014 / 0359
Brain cell. Transmission electron micrograph (TEM) of a section through an oligodendrocyte in human brain tissue. Oligodendrocytes occur in both the white

Nerve cells, artwork C018 / 2887
Nerve cells, or neurons, computer artwork. Neurons are responsible for passing information around the central nervous system (CNS) and from the CNS to the rest of the body

Brain cells, TEM C013 / 4801
Brain cells. Transmission electron micrograph (TEM) of a section through oligodendrocytes (dark) in human brain tissue, showing free ribosomes (dark green dots), golgi apparatus (curved brown lines)

Brain cells, TEM C013 / 4800
Brain cells. Transmission electron micrograph (TEM) of a section through oligodendrocytes in human brain tissue, showing free ribosomes (dark pink dots), golgi apparatus (curved brown lines)

Brain cell, TEM C013 / 4799
Brain cell. Transmission electron micrograph (TEM) of a section through an oligodendrocyte in human brain tissue, showing free ribosomes (dark brown dots), golgi apparatus (curved orange lines)

Brain cell, TEM C013 / 4798
Brain cell. Transmission electron micrograph (TEM) of a section through an oligodendrocyte in human brain tissue, showing free ribosomes (dark blue dots), golgi apparatus (curved light blue lines)

Myelin surrounding a nerve axon, TEM
Myelin surrounding a nerve axon, coloured transmission electron micrograph (TEM). The concentric round rings are the sheets of a Schwann cells myelin membrane (brown rings)

Oligodendrocyte and microglia brain cells
Oligodendrocyte and microglia action in the brain. At top, the axon (output process, orange) of a neuron (nerve cell) is seen

Synapse, computer artwork
Synapses. Computer artwork of synapses, the junctions between the ends (blue, swollen) of two nerve cells (neurons). Nerve cells are responsible for passing information around the central nervous system (CNS) and from the CNS to the rest of the body

Oligodendrocyte nerve cells. Fluorescent light micrograph of oligodendrocytes from a mouse. The mouse had been genetically engineered to express green fluorescent protein (GFP)

Multiple sclerosis, SEM
Multiple sclerosis. Coloured scanning electron micrograph (SEM) of microglial cells (round) ingesting oligodendrocytes (branched). This is the process thought to occur in multiple sclerosis (MS)

Multiple sclerosis. Illustration of the brain and spinal cord of a woman suffering from multiple sclerosis (MS). Also seen in the image is a magnified view of the spinal cord (upper right)

Nerve fibres, light micrograph
Nerve fibres. Light micrograph of a transverse section through myelinated nerve fibres. The myelin sheaths are black, axons are blue. Magnification: x100 when printed at 10 centimetres wide

Nerve fibres, SEM
Myelinated nerve fibres, coloured scanning electron micrograph (SEM). The myelin sheath is grey, the axoplasm pink and the endoneurium (connective tissue) yellow

Nerve cell anatomy, artwork
Nerve cell anatomy. Computer artwork showing the organelles in a neurone (nerve cell). At centre is nucleus (grey) and nucleolus (black)

Nerve cell and axon, diagram
Nerve cell and axon. Diagram showing how the input to a nerve cell (neuron) through dendrites (shown by arrows at upper left) is transmitted (yellow arrow) along the nerve cells axon (across bottom)

Neuromuscular junctions, artwork
Neuromuscular junctions. Computer artwork of junctions between nerves (thread-like objects) and a muscle (purple surface)

Synapses, artwork
Synapses. Computer artwork of synapses, the junctions between the ends (green, swollen) of two nerve cells (neurons). Signals are passed along nerve cells in the form of an electrical impulse

Brain cells in culture, light micrograph
Brain cells in culture. Fluorescent light micrograph of a microglial cell (upper left) and an oligodendrocyte (centre) from a human brain

Microscopic view of nerve fibers. A nerve fiber is a threadlike extension of a nerve cell in the nervous system

Nerve with myelin sheath, seen in lower right, connects with muscle. Blood vessel and immune cells are seen in the center and upper right of image

Microscopic view of inner nervous system

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