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Video: Dab tsi yog 7 ntu ntawm neuron?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2024-01-18 09:28
Cov ntsiab lus hauv txheej no ( 7)
- Neuron . Lub paj hlwb uas nqa impulsesthroughout lub cev.
- Dendrites. cov fibers luv uas tawm los ntawm lub cev ntawm tes thiab xaiv cov lus xa tuaj.
- Nucleus. ib feem ntawm cov cell uas muaj DNA thiab RNA thiab muaj lub luag haujlwm rau kev loj hlob thiab kev tsim dua tshiab.
- Axon.
- axon davhlau ya nyob twg
- Soma cell (lub cev ntawm tes)
- Myelin hnab.
Tsis tas li ntawd, dab tsi yog ntu ntawm 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 4basic qhov : 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, ua li cas ntu ntawm neuron ua haujlwm? Txhua tus tsiaj txhu hlwb muaj lub cev ntawm tes, dendrites, thiab axon. Lub cev ntawm tes muaj cov nucleus thiab cytoplasm. Lub axon txuas los ntawm lub cev ntawm tes thiab feem ntau muab riseto rau ntau ceg me me ua ntej xaus rau ntawm cov hlab ntsha. hlwb cell lub cev thiab tau txais cov lus los ntawm lwm tus cov neurons.
Yooj yim li ntawd, dab tsi yog qhov ntawm cov neuron thiab lawv cov haujlwm?
Nervous system cells hu ua cov neurons . Lawv muaj peb yam sib txawv qhov , suav nrog lub cev ntawm tes, axon, andndndrites. Cov no qhov pab lawv xa thiab txais cov cim hluav taws xob thiab hluav taws xob.
Dab tsi yog neuron ua los ntawm?
Cov dendrites tau npog nrog synapses tsim los ntawm koj cov axons los ntawm lwm qhov cov neurons . Neurons yog cov cellwithin lub paj hlwb uas xa cov ntaub ntawv mus rau lwm lub paj hlwb, cov leeg, lossis cov qog qog. Feem ntau cov neurons muaj cellbody, axon, thiab dendrites. Lub cev ntawm tes muaj cov nucleus thiab cytoplasm.
Pom zoo:
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