![Yuav ua li cas yog tias neuron puas lawm? Yuav ua li cas yog tias neuron puas lawm?](https://i.answers-medical.com/preview/medical-health/13993263-what-happens-if-a-neuron-is-damaged-j.webp)
Video: Yuav ua li cas yog tias neuron puas lawm?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Feem ntau cov neurons hauv nruab nrab lub paj hlwb tsis tuaj yeem kho lossis rov ua lawv tus kheej, tsis zoo li lwm cov cell hauv lub cev. Yog li, yog qee leej tuag los ntawm kev mob lossis kev puas tsuaj , lub paj hlwb tuaj yeem poob qee qhov ntawm nws lub peev xwm. Yog neurons tuag los ntawm kev mob los yog kev puas tsuaj , lub paj hlwb tuaj yeem poob qee yam ntawm nws lub peev xwm.
Ua li no, yuav ua li cas yog tias lub paj hlwb puas lawm?
Yog cov no hlwb yog puas lawm , lawv coj zoo ib yam li lawv cov nyob sib ze hlwb . Qhov no qhia tau hais tias hauv paus ntsiab lus, paj hlwb hauv nruab nrab lub paj hlwb tuaj yeem rov zoo los ntawm kev raug mob. Txawm li cas los xij, yog cov paj hlwb extensions yog puas lawm hauv qhov kev txiav txim rov qab, tsis muaj kev loj hlob tshwm sim hauv lub hauv paus paj hlwb.
Ib tus kuj tseem yuav nug, yuav ua li cas yog tias myelin puas lawm? Thaum twg cov myelin yog sheath puas lawm , paj hlwb tsis ua hluav taws xob impulses ib txwm. Txawm li cas los xij, yog lub tsho loj heev puas lawm , cov paj hlwb hauv qab tuaj yeem tuag. Cov paj hlwb nyob hauv nruab nrab lub paj hlwb (lub hlwb thiab tus txha caj qaum) tsis tuaj yeem rov tsim kho lawv tus kheej. Yog li, cov paj hlwb no mus tas li puas lawm.
Yog li, puas tuaj yeem kho cov neurons puas tau?
Lwm qhov ntawm koj lub cev -xws li tawv nqaij thiab pob txha - ua tau raug hloov los ntawm lub cev loj hlob cov cell tshiab, tab sis thaum koj ua rau koj raug mob cov neurons , koj ua tau tsis yog cog tshiab xwb; Hloov chaw, cov cell uas twb muaj lawm yuav tsum kho lawv tus kheej Nyob rau hauv cov ntaub ntawv ntawm raug mob axon, lub neuron muaj peev xwm kho lossis qee zaum txawm tias rov tsim dua nws cov axon.
Yuav ua li cas tshwm sim thaum oligodendrocytes puas lawm?
Hauv cov kab mob xws li Multiple Sclerosis, oligodendrocytes puas lawm thiab myelin uas ib txwm insulates lub axons ntawm paj hlwb poob, ib tug txheej txheem hu ua demyelination. Thaum cov paj hlwb ua demyelinated vim oligodendrocyte tuag lawv ua tsis tau haujlwm. Cov kws tshawb fawb siv lo lus 'apoptosis' rau kev tuag ntawm tes.
Pom zoo:
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Kev puas tsuaj rau medulla oblongata tuaj yeem ua rau: Nyuaj nyuaj rau nqos. Poob ntawm qhov ncauj thiab hnoos reflex. Ntuav
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Kev raug mob yog thaj chaw ntawm kev puas tsuaj rau lub cev neurons. Kev puas tsuaj rau lub cev muaj zog neurons nres lub teeb liab uas koj cov leeg yuav tsum txav mus. Thaum koj cov leeg tsis txav mus ntev, lawv ua tsis muaj zog thiab tawv. Nyob rau tib lub sijhawm, nws tuaj yeem nyuaj rau taug kev thiab tswj koj cov kev txav
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Lub cev muaj zog thiab thawj lub cev muaj zog cortex Lub hlwb lub cev muaj zog feem ntau muaj nyob rau hauv lub lobes frontal. Yog hais tias ib tug neeg raug mob stroke, piv txwv li, uas ua rau kev puas tsuaj rau lub cev lub cev cortex ntawm ib sab ntawm lawv lub hlwb, lawv yuav tsim muaj peev xwm txav mus rau sab nraud ntawm lawv lub cev