Video: Dab tsi yog white matter quizlet?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Grey Teeb meem . Tsim los ntawm lub cev muaj zog neurons thiab interneuron cell lub cev, dendrites, thiab unmyelinated axons. Qaum qaum qhov teeb meem dawb yog nyob rau saum npoo thiab grey teeb meem yog sab hauv. Lub paj hlwb.
Kuj paub yog, dab tsi yog qhov teeb meem dawb?
Teeb meem dawb yog cov ntaub so ntswg hauv lub hlwb uas muaj cov paj hlwb. Cov fibers (hu ua axons) txuas cov paj hlwb thiab tau npog los ntawm myelin (ib hom roj). Lub myelin yog dab tsi muab qhov teeb meem dawb nws dawb xim Myelin ua kom ceev cov teeb liab ntawm lub hlwb, ua rau lub hlwb hlwb xa thiab txais cov lus sai.
Qhov thib ob, dab tsi ua rau cov teeb meem dawb? Cov qhov teeb meem dawb yog dawb vim muaj cov rog rog (myelin) uas nyob ib puag ncig cov paj hlwb (axons). Qhov myelin no pom nyob hauv yuav luag txhua cov hlab ntsha ntev, thiab ua raws li hluav taws xob rwb thaiv tsev.
Tsis tas li ntawd, dab tsi yog qhov ua haujlwm ntawm qhov teeb meem dawb?
Dab tsi yog muaj nuj nqi ntawm Grey Teeb meem ? Nws sau thiab ua cov txheej txheem nkag (cuam tshuam) kev nkag siab lossis tawm (ua haujlwm zoo) cov ntaub ntawv.
Dab tsi yog qhov teeb meem dawb ua los ntawm daim ntawv xeem?
Teeb meem dawb yog tsim ntawm cov pob ntawm myelinated axons, uas txuas ntau yam grey teeb meem thaj tsam ntawm lub paj hlwb rau ib leeg, thiab nqa cov hlab ntsha sib cuam tshuam ntawm cov neurons.
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