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Neurilemma

Neurilemma

Neurolemma (also neurilemma and sheath of Schwann) is the outermost layer of nerve fibers in the peripheral nervous system. It is a nucleated cytoplasmic layer of schwann cells that surrounds the myelin sheath of axons.

unlike the axon and the myelin sheath, the neurolemma does not degenerate after a nerve has been cut or crushed; the hollow tube formed by the neurolemma is instrumental in regenerating the nerve Fiber (see wallerian degeneration


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TWO QUESTIONS??

... "The nerve fiber is composed of an axon, a neurite and often its covering. The axons of the peripheral nervous system are covered by a sheath (neurilemma) composed of Schwann cells. The neurilemma is comparable to certain neuroglia of the central nervous system. Large diameter peripheral nerves ...

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by b_d_41501
Sun Jun 26, 2005 2:05 pm
 
Forum: Human Biology
Topic: TWO QUESTIONS??
Replies: 2
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