Nerve Fibers, Myelinated [nervová vlákna myelinizovaná]

topical
139
Terms

bílá nervová vlákna
vlákna typu A
vlákna typu B

 

A Fibers
B Fibers

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Definition

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.

DUI
D009413 MeSH Browser
CUI
M0014650
Previous indexing
Neurons (1966-1971)
History note
1974 (1972); for B FIBERS use AUTONOMIC FIBERS, PREGANGLIONIC 1976-2002
Public note
1974; for B FIBERS see AUTONOMIC FIBERS, PREGANGLIONIC 1976-2002

A Anatomy
A08.675 Neurons 1 704
A08.675.542 Nerve Fibers 307
A08.675.542.075 Adrenergic Fibers 57
A08.675.542.145 Axons 207
A08.675.542.234 Cholinergic Fibers 64
A08.675.542.512 Nerve Fibers, Myelinated 139
A08.675.542.512.560 Myelin Sheath 82
A08.675.542.756 Nerve Fibers, Unmyelinated 11
A11 Cells 976
A11.671 Neurons 1 704
A11.671.050 Adrenergic Neurons 6
A11.671.188 Cholinergic Neurons 9
A11.671.240 Dendrites 83
A11.671.270 Dopaminergic Neurons 33
A11.671.285 GABAergic Neurons 3
A11.671.322 Grid Cells 1
A11.671.358 Interneurons 37
A11.671.487 Mirror Neurons 12
A11.671.501 Nerve Fibers 307
A11.671.501.075 Adrenergic Fibers 57
A11.671.501.145 Axons 207
A11.671.501.234 Cholinergic Fibers 64
A11.671.501.512 Nerve Fibers, Myelinated 139
A11.671.501.512.560 Myelin Sheath 82
A11.671.501.756 Nerve Fibers, Unmyelinated 11
A11.671.543 Neurites 16
A11.671.573 Neurofibrils 10
A11.671.650 Neurons, Afferent 68
A11.671.655 Neurons, Efferent 10
A11.671.685 Neuropil 1
A11.671.693 Nissl Bodies 5
A11.671.738 Nitrergic Neurons 8
A11.671.784 Purkinje Cells 49
A11.671.790 Pyramidal Cells 21

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