![Dab tsi yog qhov txawv ntawm dawb thiab grey Rami? Dab tsi yog qhov txawv ntawm dawb thiab grey Rami?](https://i.answers-medical.com/preview/medical-health/13951620-what-is-the-difference-between-white-and-gray-rami-j.webp)
Video: Dab tsi yog qhov txawv ntawm dawb thiab grey Rami?
![Video: Dab tsi yog qhov txawv ntawm dawb thiab grey Rami? Video: Dab tsi yog qhov txawv ntawm dawb thiab grey Rami?](https://i.ytimg.com/vi/_9-40PVJzO0/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Dawb rami communicantes nqa preganglionic sympathetic fibers los ntawm lub paj hlwb mus rau sympathetic ganglia. Grey rooj communicantes nqa postganglionic sympathetic fibers los ntawm sympathetic ganglia mus rau tus txha caj qaum.
Hauv kev hwm rau qhov no, vim li cas thiaj muaj ntau xim grey Rami dua li dawb?
Lawv sib txawv nyob rau hauv xim yog tshwm sim los ntawm qhov sib txawv nyob rau hauv myelination ntawm cov paj hlwb muaj nyob rau hauv, i.e. muaj yog ntau dua myelinated tshaj unmyelinated fibers nyob rau hauv lub dawb rami sib txuas lus thaum cov converse yog muaj tseeb rau lub grey rami kev sib txuas lus.
Ib tus kuj tseem yuav nug tau, nyob ntawm qib txha caj dab li cas yog dawb thiab txho Rami Communicantes pom? Raws li ib feem ntawm lub sympathetic system, dawb rami communicantes pib los ntawm thoracolumbar (T1 rau L2) qaum tawm. Saum toj no T1 thiab qis dua L2 vertebral outflow, dawb rami tsis tuaj; xwb siv rami muaj nyob hauv cov cheeb tsam no.
Tsis tas li kom paub, dab tsi yog grey Rami Communicantes?
Txhua lub paj hlwb tau txais ib ceg hu ua a siv ram communicans (ntau tshaj rami cov neeg sib tham ) los ntawm qhov uas nyob ib sab paravertebral ganglion ntawm lub cev sympathetic. Cov grey rami kev sib txuas lus muaj cov paj hlwb postganglionic ntawm kev mob siab rau lub paj hlwb thiab tau tsim los ntawm cov neurons feem ntau tsis sib xyaw.
Vim li cas thiaj tsis muaj Rami Communicantes dawb hauv caj dab?
Cov dawb rami communicantes yog preganglionic sympathetic outflow los ntawm tus txha nqaj qaum. Txawm hais tias lub siab zoo siab nthuav dav hauv qab L2, muaj yog tsis muaj ntau dua dawb rami communicantes hauv qab L2 vim hais tias cov kab nruab nrab nruab nrab ntawm tes xaus ua ntej qhov no.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm qhov kev cia siab rau qhov ntim thiab qhov ntim cia tseg?
![Dab tsi yog qhov sib txawv ntawm qhov kev cia siab rau qhov ntim thiab qhov ntim cia tseg? Dab tsi yog qhov sib txawv ntawm qhov kev cia siab rau qhov ntim thiab qhov ntim cia tseg?](https://i.answers-medical.com/preview/medical-health/13844603-what-is-the-difference-between-inspiratory-reserve-volume-and-expiratory-reserve-volume-j.webp)
Qhov ntim cia tseg (ERV) yog cov pa ntxiv uas tuaj yeem nqus tau tom qab ua pa ib txwm. Nws yog qhov nyiaj khaws cia uas tuaj yeem nqus tau dhau qhov uas ib txwm muaj. Hloov pauv, qhov ua rau lub zog cia siab (IRV) yog qhov ntxiv ntawm huab cua uas tuaj yeem nqus tau tom qab nqus tau ib txwm
Dab tsi yog qhov sib txawv thiab qhov zoo sib xws ntawm cov khoom sib tsoo thiab qhov kov zoo?
![Dab tsi yog qhov sib txawv thiab qhov zoo sib xws ntawm cov khoom sib tsoo thiab qhov kov zoo? Dab tsi yog qhov sib txawv thiab qhov zoo sib xws ntawm cov khoom sib tsoo thiab qhov kov zoo?](https://i.answers-medical.com/preview/medical-health/13858321-what-are-differences-and-similarities-between-crude-touch-and-fine-touch-sensations-j.webp)
Dab tsi yog qhov sib txawv thiab qhov zoo sib xws ntawm 'crude' kov thiab 'nplua' kov qhov hnov? Nyuaj kov yog hais txog kev nkag siab los ntawm kev txhawb nqa ntawm cov neeg txais khoom ntawm qhov tsis nkag siab nrog cov teb loj. Hauv kev sib piv, kev kov zoo yog hais txog cov neeg txais khoom ntawm kev nkag siab siab nrog cov chaw txais me me
Dab tsi yog qhov txawv ntawm ER ntxhib thiab du ER Dab tsi yog ER ua qhov sib txawv hauv txhua kis?
![Dab tsi yog qhov txawv ntawm ER ntxhib thiab du ER Dab tsi yog ER ua qhov sib txawv hauv txhua kis? Dab tsi yog qhov txawv ntawm ER ntxhib thiab du ER Dab tsi yog ER ua qhov sib txawv hauv txhua kis?](https://i.answers-medical.com/preview/medical-health/13993650-what-is-the-difference-between-rough-er-and-smooth-er-what-is-the-er-doing-that-is-different-in-each-case-j.webp)
Ob qho tib si du thiab ntxhib endoplasmic reticulum pab hauv kev tsim thiab khaws cov proteins Qhov sib txawv tseem ceeb yog tias ib qho muaj ribosomes rau nws thiab lwm yam tsis. Rough ER zoo li cov nplooj ntawv. RER sib sau ua (ua) thiab ntim cov protein. RER tau txuas nrog lub nuclear membrane
Dab tsi yog qhov txawv ntawm grey teeb meem thiab cov teeb meem dawb?
![Dab tsi yog qhov txawv ntawm grey teeb meem thiab cov teeb meem dawb? Dab tsi yog qhov txawv ntawm grey teeb meem thiab cov teeb meem dawb?](https://i.answers-medical.com/preview/medical-health/14128669-what-are-the-differences-between-gray-matter-and-white-matter-j.webp)
CNS muaj ob hom ntaub so ntswg: grey teeb meem thiab dawb teeb meem, Grey teeb meem, uas muaj ib tug pinkish-grey xim nyob rau hauv lub hlwb nyob, muaj cov cell lub cev, dendrites thiab axon terminals ntawm neurons, yog li nws yog qhov twg tag nrho cov synapses. Qhov teeb meem dawb yog ua los ntawm axons txuas sib txawv ntawm qhov teeb meem grey rau ib leeg
Dab tsi yog qhov txawv ntawm qhov tseeb qhov pib thiab qhov sib txawv qhov pib?
![Dab tsi yog qhov txawv ntawm qhov tseeb qhov pib thiab qhov sib txawv qhov pib? Dab tsi yog qhov txawv ntawm qhov tseeb qhov pib thiab qhov sib txawv qhov pib?](https://i.answers-medical.com/preview/medical-health/14181956-what-is-the-difference-between-an-absolute-threshold-and-a-difference-threshold-j.webp)
Qhov pib tsis txaus yog qhov tsawg kawg ntawm kev txhawb siab xav tau rau ib tus neeg kom pom qhov kev txhawb siab 50 feem pua ntawm lub sijhawm. Qhov sib txawv ntawm qhov sib txawv yog qhov sib txawv me tshaj hauv kev txhawb nqa uas tuaj yeem kuaj pom 50 feem pua ntawm lub sijhawm