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| vasa nervorum ： ウィキペディア英語版 |
vasa nervorum
Vasa nervorum are small arteries that provide blood supply to peripheral nerves. These vessels supply blood to interior parts of nerves and their coverings.
==Associated pathologic conditions==
Small vessels like vasa vasorum and vasa nervorum are particularly susceptible to external mechanical compression.〔 Vasa vasorum and a decrease in blood flow through the vasa nervorum has been implicated in the development of diabetic neuropathy. Arteritis of the vasa nervorum leads to mononeuritis multiplex or polyneuropathy. Occlusion of vasa nervosum at level of epineurial arterioles leads to ischemia of nerves leading to vasculitic neuropathy.〔 and has been implicated as cause in few cases of facial nerve paralysis.〔 During invasive diagnostic or therapeutic procedures, injecting a vasoconstrictor close to nerve can reduce perfusion to its supplying vessel, risking ischemic nerve injury.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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