![Dab tsi yog ob txoj haujlwm ua myelination? Dab tsi yog ob txoj haujlwm ua myelination?](https://i.answers-medical.com/preview/medical-health/13901875-what-two-functions-do-myelination-j.webp)
Video: Dab tsi yog ob txoj haujlwm ua myelination?
![Video: Dab tsi yog ob txoj haujlwm ua myelination? Video: Dab tsi yog ob txoj haujlwm ua myelination?](https://i.ytimg.com/vi/_9-40PVJzO0/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Thaum axons tau ntim ua ke, lawv tsim cov hlab ntsha uas tsim lub network rau kev hla ntawm cov hlab ntsha hluav taws xob cuam tshuam thoob plaws lub cev. Lub ntsiab muaj nuj nqi ntawm myelin cov yog los tiv thaiv thiab tiv thaiv cov axons no thiab txhim kho lawv txoj kev xa hluav taws xob.
Ib yam nkaus, dab tsi yog qhov ua haujlwm ntawm myelin?
Myelin yog txheej txheej thaiv, lossis txheej uas tsim nyob ib puag ncig lub paj hlwb, suav nrog cov hauv lub hlwb thiab tus txha caj qaum. Nws yog tsim los ntawm cov protein thiab cov rog. Qhov no myelin cov sheath tso cai rau hluav taws xob xa mus sai thiab muaj txiaj ntsig raws cov hlab ntsha hlwb.
Ib qho ntxiv, myelination yog dab tsi? Myelination yog lo lus nyob hauv lub cev uas txhais tau tias yog txheej txheem ntawm kev tsim a myelin cov txoj hlua nyob ib ncig ntawm cov hlab ntsha kom tso cai rau cov hlab ntsha txav mus sai dua. Piv txwv ntawm myelination yog tsim ntawm myelin cov nyob ib ncig ntawm lub axons ntawm lub cev.
Khaws qhov no saib, puas yog lub luag hauj lwm rau myelination?
Oligodendrocytes cov tshuaj yog lub luag haujlwm rau cov creation ntawm myelin cov sheaths hauv nruab nrab lub paj hlwb, thaum Schwann cells yog lub luag haujlwm nyob rau hauv lub paj hlwb peripheral.
Dab tsi ua rau myelin?
Myelin yog tsim los ntawm ob hom sib txawv ntawm kev txhawb nqa cell. Hauv nruab nrab lub paj hlwb (CNS) - lub hlwb thiab tus txha caj qaum - cov hlwb hu ua oligodendrocytes qhwv lawv cov ceg zoo li txuas ntxiv ib puag ncig ntawm axons los tsim myelin cov lub tsho. Hauv cov hlab ntsha sab nraud ntawm tus txha caj qaum, Schwann cells tsim tawm myelin.
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