![Dab tsi yog qhov sib txawv ntawm cov pyramidal thiab extrapyramidal tracts? Dab tsi yog qhov sib txawv ntawm cov pyramidal thiab extrapyramidal tracts?](https://i.answers-medical.com/preview/medical-health/13876786-what-is-the-difference-between-the-pyramidal-and-extrapyramidal-tracts-j.webp)
Video: Dab tsi yog qhov sib txawv ntawm cov pyramidal thiab extrapyramidal tracts?
![Video: Dab tsi yog qhov sib txawv ntawm cov pyramidal thiab extrapyramidal tracts? Video: Dab tsi yog qhov sib txawv ntawm cov pyramidal thiab extrapyramidal tracts?](https://i.ytimg.com/vi/1Wsm7ny-aeo/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov cov pyramidal tracts ( corticospinal kab mob thiab corticobulbar daim ntawv ) tuaj yeem ncaj qha sab hauv lub cev muaj zog neurons ntawm tus txha nqaj qaum lossis lub hlwb (lub hauv ntej (ventral) hlwb hlwb lossis qee yam ntawm cov hlab ntsha cranial), qhov extrapyramidal cov chaw nruab nrab ntawm kev hloov pauv thiab kev tswj hwm (tswj ncaj qha) ntawm sab hauv (ventral)
Hais txog qhov no, yuav ua li cas hauv nruab nrab hauv nruab nrog cev thiab extrapyramidal tswj kev txav chaw?
Neurons nyob rau hauv extrapyramidal txoj kev ua tsis ncaj qha innervate qis lub cev muaj zog neurons, tab sis hloov pauv pab tswj cov leeg zog los ntawm kev qhib ncaj qha lossis txwv tsis pub cov pab pawg qis dua lub cev muaj zog neurons los ntawm interneurons. Cov pyramidal txoj hauv kev yog thawj txoj hauv kev uas ua tiav cov lus txib tsav tsheb rau kev yeem zog.
Tsis tas li, dab tsi yog txoj haujlwm ntawm cov kab hauv plawv? Cov kab hauv nruab nrab - Cov kab no tshwm sim hauv lub paj hlwb, nqa lub cev muaj zog fibers rau tus txha nqaj qaum thiab lub paj hlwb. Lawv yog lub luag haujlwm rau kev tswj hwm ntawm kev musculature ntawm lub cev thiab ntsej muag.
Ib yam li ib tus tuaj yeem nug, vim li cas nws thiaj li hu ua pyramidal tract?
Cov cov pyramidal tracts yog npe vim lawv dhau los ntawm lub hauv paus ntawm medulla oblongata. Cov corticospinal fibers thaum nqis los ntawm cov tshuaj ntsiav sab hauv mus rau lub paj hlwb, sib sau ua ib lub ntsiab lus los ntawm ntau cov lus qhia muab kev xav ntawm qhov ntxeev vaj huam sib luag.
Dab tsi yog txoj hauv kev pyramidal?
Pyramidal system: suav nrog lub cev muaj zog neurons txuas los ntawm cortex mus rau lub hlwb lossis tus txha caj qaum uas ua ob qhov loj txoj kev ntawm kev yeem yeem txav mus los: corticospinal thiab corticobulbar daim ntawv (qee zaum hu ua cov pyramidal tracts ).
Pom 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? 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 sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws?
![Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws? Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws?](https://i.answers-medical.com/preview/medical-health/13907369-what-is-the-difference-between-dense-regular-connective-tissue-and-dense-irregular-connective-tissue-j.webp)
Cov ntaub so ntswg sib txuas tsis sib thooj muaj cov fibers uas tsis tau sib dhos ua ke zoo ib yam li cov ntaub so ntswg sib txuas ib ntus. Cov ntaub so ntswg sib txuas tsis sib thooj muaj feem ntau ntawm cov fibers collagen. Nws muaj cov khoom hauv av tsawg dua li cov ntaub so ntswg sib txuas
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
Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so?
![Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so? Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so?](https://i.answers-medical.com/preview/medical-health/14027937-which-joint-disease-is-characterized-by-joint-stiffness-on-movement-and-joint-pain-of-weight-bearing-joints-that-usually-is-relieved-by-rest-j.webp)
Osteoarthritis feem ntau cuam tshuam rau txhais tes, qis nraub qaum, caj dab, thiab hnyav sib koom tes xws li hauv caug, lub duav, thiab ko taw
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