Cov txheej txheem:
![Dab tsi yog 3 ntu tseem ceeb ntawm neuron thiab lawv lub luag haujlwm yog dab tsi? Dab tsi yog 3 ntu tseem ceeb ntawm neuron thiab lawv lub luag haujlwm yog dab tsi?](https://i.answers-medical.com/preview/medical-health/13909584-what-are-the-3-main-parts-of-a-neuron-and-their-functions-j.webp)
Video: Dab tsi yog 3 ntu tseem ceeb ntawm neuron thiab lawv lub luag haujlwm yog dab tsi?
![Video: Dab tsi yog 3 ntu tseem ceeb ntawm neuron thiab lawv lub luag haujlwm yog dab tsi? Video: Dab tsi yog 3 ntu tseem ceeb ntawm neuron thiab lawv lub luag haujlwm yog dab tsi?](https://i.ytimg.com/vi/9TAjFWMiaks/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Neurons (cov paj hlwb) muaj peb ntu uas ua tiav kev ua haujlwm ntawm kev sib txuas lus thiab kev koom ua ke: dendrites , cov axons , thiab axon cov dav hlau Lawv muaj ib feem plaub cev cell los yog tso , uas nqa tawm cov txheej txheem kev ua neej nyob yooj yim ntawm neurons. Daim duab ntawm sab xis qhia qhov "raug" neuron.
Ib yam nkaus, 3 yam tseem ceeb ntawm lub paj hlwb yog dab tsi?
Txawm li cas los xij, yuav luag txhua lub neurons muaj peb ntu tseem ceeb: lub cev acell, axon, thiab dendrites
- Lub cev. Kuj tseem hu ua soma, lub cev ntawm tes yog lub paj hlwb.
- Axon. Lub axon yog qhov ntev, zoo li tus qauv uas koom nrog lub cev tshem tawm ntawm qhov chaw tshwj xeeb hu ua axon hillock.
- Dendrites.
Ntxiv mus, dab tsi yog qhov tseem ceeb ntawm cov neuron? Taw qhia: Lub hlwb tau tsim los ntawm kwv yees li 86 txhiab tus cell tshiab (tseem hu ua " cov neurons "). Aw hlwb muaj 4 qhov yooj yim : dendrites, lub cev cell (tseem hu ua "soma"), axon thiab axon davhlau ya nyob twg. Dendrites - Txuas ntxiv los ntawm hlwb cell lub cev uas coj cov ntaub ntawv mus rau cellbody.
Ib yam nkaus, 3 hom neurons thiab lawv lub luag haujlwm yog dab tsi?
Muaj yog peb loj hom ntawm neurons : hnov cov neurons , tsav cov neurons , thiab interneurons. Txhua peb muaj sib txawv zog , lub hlwb xav tau txhua tus ntawm lawv los sib txuas lus tau zoo nrog lub cev (thiab rov ua dua).
Neuron yog dab tsi?
A hlwb yog lub paj hlwb uas yog lub hauv paus tsim kev thaiv ntawm lub paj hlwb. Neurons tshwj xeeb tshaj yog xa cov ntaub ntawv thoob plaws lub cev. Cov kws tshaj lij tshwj xeeb ntawm cov paj hlwb no yog lub luag haujlwm rau kev sib txuas lus cov ntaub ntawv hauv ob hom tshuaj thiab hluav taws xob.
Pom zoo:
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Cov khoom siv hauv lub cev zom zaub mov suav nrog cov hniav, tus nplaig, cov qog ua kua qaub, daim siab, lub zais zis, thiab txiav txiav. Txhawm rau ua tiav lub hom phiaj ntawm kev muab lub zog thiab khoom noj khoom haus rau lub cev, rau lub luag haujlwm tseem ceeb nyob hauv cov txheej txheem zom zaub mov: nqos. Kev zais. Sib tov thiab txav mus los. Digestion. Kev nqus. Kev tshem tawm
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Lub luag haujlwm txoj haujlwm: Txheeb xyuas thiab faib tshuaj raws li daim ntawv yuav tshuaj. Xyuas kom tus neeg mob kos npe rau daim ntawv yuav tshuaj thiab sau nqi raws li xav tau. Txhawm rau khaws cov khoom faib tawm thiab tswj cov khoom lag luam kom zoo ntawm ob qho tshuaj thiab ntim khoom
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Sab nraub qaum ntu tuaj yeem cuam tshuam kev puas tsuaj rau sab laug ventricle tshwm sim los ntawm ntshav siab, lub plawv nres, lub plawv aortic tsis ua haujlwm, kab mob hauv lub plawv, lub plawv tsis ua haujlwm, lossis lwm yam mob plawv. Yog tias cov ceg ntoo thaiv tau ua rau muaj cov tsos mob, tom qab ntawd qhov teeb meem yuav hnyav txaus kom xav tau lub tshuab ua kom nrawm dua
Lub luag haujlwm tseem ceeb ntawm cov nqaij ntawm lub ntsej muag yog dab tsi?
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Lub ntsej muag cov leeg ua haujlwm 2 lub luag haujlwm tseem ceeb rau lub cev: mastication thiab ntsej muag. Cov nqaij ntawm mastication suav nrog lub cev nqaij daim tawv, nruab nrab pterygoid, sab hauv pterygoid, thiab lub masseter (cov leeg nqaij buccinator yog cov khoom siv tseem ceeb ntawm kev zom). Lwm qhov haujlwm tseem ceeb yog lub ntsej muag qhia
Koj puas tuaj yeem tuag los ntawm ntu ntu ntu ntu thaiv?
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Hauv cov neeg laus uas muaj tus kab mob coronary artery, sab laug bundle ceg thaiv yog txuam nrog kev pheej hmoo ntawm kev tuag ntau dua. Qhov no tshwj xeeb tshaj yog rau cov neeg uas muaj lub plawv tsis ua haujlwm. Sab laug bundles ceg thaiv kuj txuas nrog kev pheej hmoo ntawm kev tuag ntau dua tom qab lub plawv nres