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U o be L russkiy gos u dars t venyy meditsinski y universal va tet
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bet | 1/4 | Sana | 21.05.2024 | Hajmi | 2,77 Mb. | | #248054 |
Bog'liq 8 (1)
Muallif: Sivakova M.V. 1 kurs stomatologik fakultet Nauchnyy rukovoditel: Mashchenko I.V. starshiy prepodavatel
g . Minsk
regeneratsiya asabiy tkani
Kafedr a morfolo gi ya che l oveka
A
R E N
A
tkani.
Tsel raboty
0 1 Izuchenie adabiyot r ny x dan n yh o mexanizma x regeneratsiya i ne r vnoy
R
e g e n e r a ts i ya
n e r v n o y
t k a n i
R e g e n e r a ts i ya
n e r v n o y
t k a n i
aktualnost - aktualnost dannoy raboty zaklyuchaet v tom, chtoby bolee aniq rassmotret protsessi regeneratsii nervnoy tkani. Posleduyuschee izuchenie protsessov regeneratsii asabiy tkani prolivaet svet shunday vajnye savol neyrontogenez, kak uporyadochennaya organizatsiya asabiy tizimi, napravlennyy rost aksonov i spetsifikatsiya shakllantirish asabiylashish .
R e g e n e r a ts i ya
n e r v n o y
t k a n i
regeneratsiya
A
R E N
A
aksonov
(A) Motoneyrony, sensorli neyroni gangliev zadnix
spinnomozgovyh koreshkov (DRG) i ix aksonalnye ortostki.
( V ) Mest a povrejdeniy ak s ona.
(S) Stepen regeneratsiya. Aksony neynov DRG i motoneyrony qayta ishlab chiqiladi cherez mesta povrejdeniya v periferik asabiylash i zadnix (dorzal) koreshkax (zatemniy na voloknax v mestax povrejdeniya). Tem n e men e regenerir u yushchi e vol okna
dorzalnogo koreshka prekrashayut rost, dostnuv otostkov
astrotsitov, ogranichvayushchix poverxnost spinnogo mozga. Aksony chuvstvitelnyh neynov DRG yo'q regeneratsiya qiladilar xuddi shunday cherez
glia lnye ru bts y ( Glial sc a r ) , formir u yushchies ya v mestax
povrejdeniya TsNS (zatemniy s vysvetlennoy seredinoy).
Ris. 1- Aksony chuvstvitelnyh i harakatlanuvchi neynov regenerir u yu t n a p erifer r ii , a n e v Ts N S .
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