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Tshuaj neurotransmission nyob qhov twg?

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Tshuaj neurotransmission nyob qhov twg?
Tshuaj neurotransmission nyob qhov twg?

Video: Tshuaj neurotransmission nyob qhov twg?

Video: Tshuaj neurotransmission nyob qhov twg?
Video: tag rau koj lawm - nuj xeem - nkauj tawm tshiab 2022 2024, Tej zaum
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Chemical neurotransmission tshwm sim ntawm chemical synapses Hauv tshuaj neurotransmission, presynaptic neuron thiab postsynaptic neuron tau sib cais los ntawm qhov sib txawv me me - lub synaptic cleft. Lub synaptic cleft yog ntim nrog extracellular kua (cov kua da dej tag nrho cov hlwb nyob rau hauv lub hlwb).

Tshuaj neurotransmitters nyob qhov twg?

Neurotransmitters yog synthesized los ntawm neurons thiab khaws cia rau hauv vesicles, uas feem ntau yog nyob rau hauv lub axon lub davhlau ya nyob twg kawg, tseem hu ua presynaptic davhlau ya nyob twg. Lub davhlau ya nyob twg presynaptic yog cais los ntawm cov neuron los yog cov leeg nqaij lossis qog cell mus rau qhov uas nws cuam tshuam los ntawm qhov sib txawv hu ua synaptic cleft.

Qhov chaw tshwj xeeb yog dab tsi uas cov tshuaj neurotransmission tshwm sim?

Neurotransmission tshwm sim ntawm thaj chaw tshwj xeeb ntawm cov neurons thiab lawv lub hom phiaj, hu ua the synapse. Lub synapse yog kev sib cuag tshwj xeeb ntawm presynaptic thiab postsynaptic cell tsim los xa cov ntaub ntawv nrog kev ncaj ncees.

Kev kis tshuaj lom neeg nyob qhov twg?

Neurons sib txuas lus nrog ib leeg ntawm junctions hu ua synapses. Ntawm lub synapse, ib tug neuron xa lus mus rau lub hom phiaj neuron-lwm ntawm tes. Feem ntau cov synapses yog tshuaj; cov synapses sib txuas lus siv tshuaj xa xov.

Tshuaj neurotransmission yog dab tsi?

Neurotransmitters feem ntau hu ua lub cev cov tshuaj xa xov. Lawv yog cov molecules siv los ntawm lub paj hlwb los xa cov lus ntawm neurons, los yog los ntawm neurons mus rau cov leeg.

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