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Schwann cells

A myelinated axon is shown in cross section in this electron micrograph.  Especially prominent in axons are microtubules and neurofilaments.  Schwann cell cytoplasm and  the external lamina of the Schwann cell surround the myelin.  40,000x

Axon <p>A myelinated axon is shown in cross section in this electron micrograph.  Especially prominent in axons are microtubules and neurofilaments.  Schwann cell cytoplasm and  the external lamina of the Schwann cell surround the myelin.  40,000x</p>

Axon

A myelinated axon is shown in cross section in this electron micrograph.  Especially prominent in axons are microtubules and neurofilaments.  Schwann cell cytoplasm and  the external lamina of the Schwann cell surround the myelin.  40,000x
Myelin sheath <p>A myelinated axon is shown in cross section in this electron micrograph.  Especially prominent in axons are microtubules and neurofilaments.  Schwann cell cytoplasm and  the external lamina of the Schwann cell surround the myelin.  40,000x</p>

Myelin sheath

A myelinated axon is shown in cross section in this electron micrograph.  Especially prominent in axons are microtubules and neurofilaments.  Schwann cell cytoplasm and  the external lamina of the Schwann cell surround the myelin.  40,000x
Microtubules > <p>Neurons are large, intricate cells and possess an extensive cytoskeleton.  Particularly evident in axons are microtubules and neurofilaments.  Microtubules of neurons, similar to those in other cells, function to provide an intracellular pathway for transport of materials.  Neurofilaments are the unique intermediate filament of neurons and primarily serve a supporting, structural role.</p>

Microtubules >

Neurons are large, intricate cells and possess an extensive cytoskeleton.  Particularly evident in axons are microtubules and neurofilaments.  Microtubules of neurons, similar to those in other cells, function to provide an intracellular pathway for transport of materials.  Neurofilaments are the unique intermediate filament of neurons and primarily serve a supporting, structural role.
Neurofilaments <p>Neurons are large, intricate cells and possess an extensive cytoskeleton.  Particularly evident in axons are microtubules and neurofilaments.  Microtubules of neurons, similar to those in other cells, function to provide an intracellular pathway for transport of materials.  Neurofilaments are the unique intermediate filament of neurons and primarily serve a supporting, structural role.</p>

Neurofilaments

Neurons are large, intricate cells and possess an extensive cytoskeleton.  Particularly evident in axons are microtubules and neurofilaments.  Microtubules of neurons, similar to those in other cells, function to provide an intracellular pathway for transport of materials.  Neurofilaments are the unique intermediate filament of neurons and primarily serve a supporting, structural role.
External lamina <p>A myelinated axon is shown in cross section in this electron micrograph.  Especially prominent in axons are microtubules and neurofilaments.  Schwann cell cytoplasm and  the external lamina of the Schwann cell surround the myelin.  40,000x</p>

External lamina

A myelinated axon is shown in cross section in this electron micrograph.  Especially prominent in axons are microtubules and neurofilaments.  Schwann cell cytoplasm and  the external lamina of the Schwann cell surround the myelin.  40,000x
Main SlideAxonMyelin sheathMicrotubules >NeurofilamentsExternal lamina