Perinevri
Perinevri (perineurium) — periferik nervlarning nerv tolalari toʻplami atrofida membranani hosil qiluvchi va biriktiruvchi toʻqimalarning (perinevral hujayralar) konsentrik qatlamlari. Perinevrium toʻplam ichidagi nerv tolalarini qoʻllab-quvvatlaydi va himoya qiladi va periferik nervlarning mustahkamligi va elastikligini taʼminlaydi. Toʻplamning kattaligi va tanadagi joylashishiga qarab, perinevral hujayra qatlamlari soni 3 dan 15gacha oʻzgaradi[1]. Har bir perinevral hujayra proteoglikanlardan (laminin, fibronektin va geparin sulfatidan) tashkil topgan membrana bilan oʻralgan[2].
Perinevri birinchi marta XIX asrning oʻrtalarida nemis fiziologi va patolog Fridrix Gustav Genle tomonidan tasvirlangan[1].
Perinevrium atrofdagi tolalardan osongina ajratilishi mumkin boʻlgan silliq shaffof quvurli membranadir. Aksincha, epinevri kuchli va mexanik ravishda chidamli mato boʻlib, unda igna bilan kirib borish oson emas.
Yana qarang
Manbalar
- ↑ 1,0 1,1 William K. Ovalle and Patrick C. Nahirney. Netter’s Essential Histology, 2, 2013. ISBN 9781455706310.
- ↑ Perineurium // Foundational Model of Anatomy
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