Perineurium
Sheath around nerve fasciculi / From Wikipedia, the free encyclopedia
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The perineurium is a protective sheath that surrounds a nerve fascicle.[1] This bundles together axons targeting the same anatomical location.[1] The perineurium is composed from fibroblasts.[2]
Quick Facts Identifiers, TA98 ...
Perineurium | |
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Identifiers | |
TA98 | A14.2.00.015 |
TA2 | 6156 |
FMA | 52585 |
Anatomical terminology |
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In the peripheral nervous system, the myelin sheath of each axon in a nerve is wrapped in a delicate protective sheath known as the endoneurium. Fascicles, bundles of neurons, are surrounded by the perineurium. Several fascicles may be in turn bundled together with a blood supply and fatty tissue within yet another sheath, the epineurium. This grouping structure is analogous to the muscular organization system of epimysium, perimysium and endomysium.