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Video: Cov qauv dav dav ntawm cov hlab ntsha yog dab tsi?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Txhua lub neuron muaj cov hlab ntsha cev cell nrog cov keeb thiab cov organelles xws li mitochondria, endoplasmic reticulum, thiab Golgi apparatus. Cranching tawm ntawm cov hlab ntsha cev cell yog cov dendrites , uas ua zoo li me me antennae khaws cov cim los ntawm lwm lub hlwb.
Zoo sib xws, tus qauv ntawm cov hlab ntsha yog dab tsi?
A paj hlwb muaj ntau cov qauv suav nrog axons, glycocalyx, endoneurial fluid, endoneurium, perineurium, thiab epineurium. Cov axons tau muab khi ua ke rau hauv pawg hu ua fascicles, thiab txhua lub fascicle tau qhwv hauv ib txheej ntawm cov ntaub so ntswg hu ua perineurium.
Ib tus kuj tseem tuaj yeem nug, dab tsi yog lub xovtooj ntawm tes ua los ntawm? A neuron (tseem hu ua neurone lossis paj hlwb ) yog a ntawm tes uas nqa hluav taws xob impulses. Neurons yog lub hauv paus (muaj nuj nqi & yam ntxwv) chav nyob ntawm peb tshee qhov system. Txhua neuron yog ua ntawm a ntawm tes lub cev (tseem hu ua soma lossis cyton), dendrites thiab axon. Dendrites thiab axons yog paj hlwb fibers.
Yog li ntawd, dab tsi yog neuron qauv thiab kev ua haujlwm?
Neurons , tseem paub tias yog lub paj hlwb, xa thiab txais cov cim los ntawm koj lub hlwb. Thaum cov neurons muaj ntau qhov sib xws nrog lwm hom cell, lawv muaj cov qauv thiab ua haujlwm tshwj xeeb. Kev kwv yees tshwj xeeb hu ua axons tso cai cov neurons xa hluav taws xob thiab tshuaj teeb liab mus rau lwm lub hlwb.
Tus qauv ntawm cov ntaub so ntswg puas yog dab tsi?
Cov ntaub so ntswg yog tsim los ntawm peb ntu tseem ceeb: paj hlwb , tus txha caj qaum thiab lub hlwb. Lub luag haujlwm tseem ceeb ntawm cov leeg nqaij yog tau txais stimuli thiab xa cov impulse mus rau tus txha caj qaum thiab lub hlwb. Lub hlwb xa rov qab cov lus teb rau cov leeg ntawm lub paj hlwb.
Pom zoo:
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