Cov txheej txheem:
![Dab tsi yog qhov ua haujlwm ntawm lub synaptic cleft? Dab tsi yog qhov ua haujlwm ntawm lub synaptic cleft?](https://i.answers-medical.com/preview/medicine/14129314-what-is-the-function-of-the-synaptic-cleft.webp)
Video: Dab tsi yog qhov ua haujlwm ntawm lub synaptic cleft?
![Video: Dab tsi yog qhov ua haujlwm ntawm lub synaptic cleft? Video: Dab tsi yog qhov ua haujlwm ntawm lub synaptic cleft?](https://i.ytimg.com/vi/bQircVdoP30/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov lus mus los ntawm presynaptic davhlau ya nyob twg ntawm ib tug synapse mus rau synaptic cleft mus rau postsynaptic davhlau ya nyob twg tom ntej synapse . Cov synaptic cleft Feem ntau yog siv los thauj cov neurotransmitters los ntawm ib qho synapse mus rau lwm qhov txhawm rau txuas ntxiv nqa cov hlab ntsha mus txog thaum nws mus txog nws lub hom phiaj.
Ntxiv mus, dab tsi yog qhov synaptic cleft?
Kev txhais lus ntawm synaptic cleft : qhov chaw nruab nrab ntawm cov neurons ntawm lub paj hlwb synapse nyob rau hauv uas lub paj hlwb impulse kis tau los ntawm ib tug neurotransmitter. - tseem hu ua synaptic qhov sib txawv.
Tom qab ntawd, lo lus nug yog, dab tsi tshwm sim hauv qhov sib xyaw ua ke? Hauv tshuaj synapse , ib tug neuron tso tawm neurotransmitter molecules rau hauv ib qho chaw me me (the synaptic cleft ) uas nyob ib sab mus rau lwm lub neuron. Cov neurotransmitters muaj nyob hauv cov hnab me me hu ua synaptic vesicles, thiab raug tso tawm rau hauv lub synaptic cleft los ntawm exocytosis.
Tsis tas li ntawd, dab tsi yog lub luag haujlwm tseem ceeb ntawm lub synapse?
Kev ua haujlwm ntawm synapse yog hloov cov haujlwm hluav taws xob (cov ntaub ntawv) los ntawm ib qho ntawm tes rau lwm tus. Kev hloov pauv tuaj yeem yog los ntawm paj hlwb mus rau paj hlwb (neuro-neuro), lossis paj hlwb mus rau cov leeg (neuro-myo). Lub cheeb tsam ntawm lub pre- thiab postsynaptic membrane yog nqaim heev, tsuas yog 30-50 nm.
3 hom synapses yog dab tsi?
Peb tuaj yeem pab pawg synapses ua 5 hom:
- Excitatory Ion Channel Synapses. Cov synapses no muaj cov neuroreceptors uas yog sodium raws.
- Inhibitory Ion Channel Synapses. Cov synapses no muaj cov kab mob neuroreceptors uas yog cov tshuaj chloride.
- Tsis Muaj Channel Synapses.
- Neuromuscular Junctions.
- Hluav taws xob Synapses.
Pom zoo:
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Dab tsi yog lub sijhawm kho mob rau lub qhov ncauj cleft?
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Dab tsi yog qhov ua haujlwm ntawm lub cev ntawm lub paj hlwb ua haujlwm?
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Cov lus mus los ntawm presynaptic davhlau ya nyob twg ntawm ib lub synapse mus rau lub synaptic cleft mus rau postsynaptic davhlau ya nyob twg ntawm lub tom ntej synapse. Lub synaptic cleft feem ntau yog siv los thauj cov neurotransmitters ntawm ib lub synapse mus rau lwm qhov txhawm rau txhawm rau nqa lub paj hlwb mus txog thaum nws mus txog qhov chaw
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Esophagus Hauv qhov no, kev tawm dag zog lub cev zom zaub mov yog dab tsi? Ingestion yog txheej txheem ntawm noj. Kev tawm tsam yog kev txav ntawm cov zaub mov raws li digestive ib ntsuj av . Qhov loj txhais tau tias ntawm kev tawm tsam yog peristalsis, ua ntu ntu ntawm kev sib txuam sib cog lus thiab so ntawm cov leeg du uas ua kab ntawm phab ntsa ntawm plab zom mov lub cev thiab uas yuam cov zaub mov txav mus tom ntej.