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Schwann cells

This electron micrograph shows cross sections of numerous myelinated axons within a peripheral nerve.  Axons larger than one micron in diameter are usually myelinated and the diameter of the axon is proportional to the number of wrappings.  6000x

Axons <p>This electron micrograph shows cross sections of numerous myelinated axons within a peripheral nerve.  Axons larger than one micron in diameter are usually myelinated and the diameter of the axon is proportional to the number of wrappings.  6000x</p>

Axons

This electron micrograph shows cross sections of numerous myelinated axons within a peripheral nerve.  Axons larger than one micron in diameter are usually myelinated and the diameter of the axon is proportional to the number of wrappings.  6000x
Myelin sheaths <p>This electron micrograph shows cross sections of numerous myelinated axons within a peripheral nerve.  Axons larger than one micron in diameter are usually myelinated and the diameter of the axon is proportional to the number of wrappings.  6000x</p>

Myelin sheaths

This electron micrograph shows cross sections of numerous myelinated axons within a peripheral nerve.  Axons larger than one micron in diameter are usually myelinated and the diameter of the axon is proportional to the number of wrappings.  6000x
Schwann cell cytoplasm <p>This electron micrograph shows cross sections of numerous myelinated axons within a peripheral nerve.  Axons larger than one micron in diameter are usually myelinated and the diameter of the axon is proportional to the number of wrappings.  6000x</p>

Schwann cell cytoplasm

This electron micrograph shows cross sections of numerous myelinated axons within a peripheral nerve.  Axons larger than one micron in diameter are usually myelinated and the diameter of the axon is proportional to the number of wrappings.  6000x
Endoneurium > <p>The endoneurium consists of collagen fibrils interspersed between the Schwann cell-axon units and fibroblasts.  Each Schwann cell also secretes its own external lamina, that cannot be seen at this magnification.</p>

Endoneurium >

The endoneurium consists of collagen fibrils interspersed between the Schwann cell-axon units and fibroblasts.  Each Schwann cell also secretes its own external lamina, that cannot be seen at this magnification.
Fibroblast process <p>The endoneurium consists of collagen fibrils interspersed between the Schwann cell-axon units and fibroblasts.  Each Schwann cell also secretes its own external lamina, that cannot be seen at this magnification.</p>

Fibroblast process

The endoneurium consists of collagen fibrils interspersed between the Schwann cell-axon units and fibroblasts.  Each Schwann cell also secretes its own external lamina, that cannot be seen at this magnification.
Capillary <p>The endoneurium consists of collagen fibrils interspersed between the Schwann cell-axon units and fibroblasts.  Each Schwann cell also secretes its own external lamina, that cannot be seen at this magnification.</p>

Capillary

The endoneurium consists of collagen fibrils interspersed between the Schwann cell-axon units and fibroblasts.  Each Schwann cell also secretes its own external lamina, that cannot be seen at this magnification.
Main SlideAxonsMyelin sheathsSchwann cell cytoplasmEndoneurium >Fibroblast processCapillary