Cov txheej txheem:
![Dab tsi yog kev sib txuas lus ntawm neurons piav raws li? Dab tsi yog kev sib txuas lus ntawm neurons piav raws li?](https://i.answers-medical.com/preview/medical-health/14058880-what-is-the-communication-between-neurons-described-as-j.webp)
Video: Dab tsi yog kev sib txuas lus ntawm neurons piav raws li?
![Video: Dab tsi yog kev sib txuas lus ntawm neurons piav raws li? Video: Dab tsi yog kev sib txuas lus ntawm neurons piav raws li?](https://i.ytimg.com/vi/Ae8KhBs66C0/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Neurons xa cov cim rau lwm tus cov neurons ntawm kev sib cuag tshwj xeeb hu ua synapses. Hom kab mob sib kis ntau tshaj plaws hauv lub paj hlwb yog lub npe hu ua tshuaj synapse. Feem ntau cov tshuaj synapse tshwm sim nruab nrab lub axon davhlau ya nyob twg neuron xa cov lus, thiab lub dendrite ntawm lub neuron tau txais cov lus.
Tom qab ntawd, ib tug kuj yuav nug, yuav ua li cas neurons sib txuas lus nrog ib leeg?
Neurons sib tham nrog ib leeg ntawm cov xwm txheej hluav taws xob hu ua 'kev muaj peev xwm ua tau zoo' thiab tshuaj siv tshuaj neurotransmitters. Hauv kev sib tshuam ntawm ob cov neurons (synapse), qhov ua rau muaj peev xwm ua rau neuron A los tso cov tshuaj neurotransmitter.
Dab tsi yog lub luag haujlwm ntawm neurotransmitters hauv kev sib txuas lus ntawm neurons? Neurotransmitters feem ntau hu ua lub cev cov tshuaj xa xov. Lawv yog cov molecules siv los ntawm lub paj hlwb kom xa cov lus nruab nrab ntawm cov neurons , los ntawm cov neurons rau cov leeg. Kev sib txuas lus ntawm ob cov neurons tshwm sim nyob rau hauv lub synaptic cleft (qhov me me qhov sib txawv nruab nrab cov synapses ntawm cov neurons ).
Ib yam li ntawd, cov neurons tshwj xeeb rau kev sib txuas lus li cas?
Ntxiv rau lub cev ntawm tes, lossis soma, uas zoo ib yam li lwm lub cell, cov neurons muaj tshwj xeeb nyias ceg paub zoo li dendrites thiab axons. Neurons txais chemical input los ntawm lwm yam cov neurons los ntawm dendrites thiab sib txuas lus cov ntaub ntawv rau lwm lub hlwb los ntawm axons. Neurons kuj yog cov hlwb "excitable".
Neurons sib txuas lus li cas ib kauj ruam?
Cov kauj ruam nyob rau hauv lub hauv paus mechanism:
- kev txiav txim muaj peev xwm generated nyob ze lub soma. Kev mus los nrawm heev ntawm lub axon.
- vesicles fuse nrog lub pre-synaptic membrane. Thaum lawv fuse, lawv tso lawv cov ntsiab lus (neurotransmitters).
- Neurotransmitters ntws mus rau hauv lub synaptic cleft.
- Tam sim no koj muaj cov neurotransmitter pub dawb hauv lub synaptic cleft.
Pom zoo:
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