Nerve Fibers, Myelinated

A class of nerve fibers as defined by their structure, specifically the nerve sheath arrangement. The AXONS of the myelinated nerve fibers are completely encased in a MYELIN SHEATH. They are fibers of relatively large and varied diameters. Their NEURAL CONDUCTION rates are faster than those of the unmyelinated nerve fibers (NERVE FIBERS, UNMYELINATED). Myelinated nerve fibers are present in somatic and autonomic nerves.

Year introduced: 1974 (1972)

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Do not include MeSH terms found below this term in the MeSH hierarchy.

Tree Number(s): A08.675.542.512, A11.671.501.512, A11.671.514

MeSH Unique ID: D009413

Entry Terms:

• Fiber, Myelinated Nerve
• Fibers, Myelinated Nerve
• Myelinated Nerve Fiber
• Myelinated Nerve Fibers
• Nerve Fiber, Myelinated
• B Fibers
• A Fibers

Previous Indexing:

• Neurons (1966-1971)

See Also:

• White Matter

All MeSH Categories
Anatomy Category
Nervous System
Neurons
Nerve Fibers
Nerve Fibers, Myelinated
Myelin Sheath
Neurilemma
Ranvier's Nodes

All MeSH Categories
Anatomy Category
Cells
Neurons
Nerve Fibers
Nerve Fibers, Myelinated
Myelin Sheath
Neurilemma
Ranvier's Nodes

All MeSH Categories
Anatomy Category
Cells
Neurons
Nerve Fibers, Myelinated