![Lub luag haujlwm ntawm pyramidal ib puag ncig yog dab tsi? Lub luag haujlwm ntawm pyramidal ib puag ncig yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14040303-what-is-the-function-of-the-pyramidal-tract-j.webp)
Video: Lub luag haujlwm ntawm pyramidal ib puag ncig yog dab tsi?
![Video: Lub luag haujlwm ntawm pyramidal ib puag ncig yog dab tsi? Video: Lub luag haujlwm ntawm pyramidal ib puag ncig yog dab tsi?](https://i.ytimg.com/vi/J8n3RA_zRGI/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Pyramidal tracts - Cov kab mob no tshwm sim hauv lub paj hlwb cortex, nqa lub cev muaj zog fibers rau tus txha caj qaum thiab lub hlwb qia. Lawv yog lub luag haujlwm rau kev tswj hwm ntawm kev musculature ntawm lub cev thiab lub ntsej muag.
Ntawm no, yog vim li cas nws thiaj li hu ua pyramidal tract?
Cov pyramidal ib puag ncig yog npe vim lawv dhau los ntawm cov pyramids ntawm medulla oblongata. Cov corticospinal fibers thaum nqis los ntawm sab hauv capsule mus rau lub hlwb qia, converge mus rau ib tug taw tes los ntawm ntau cov lus qhia muab lub tswv yim ntawm ib tug inverted. vaj huam sib luag.
Ib tus kuj tseem tuaj yeem nug, cov cim pyramidal yog dab tsi? Cov cim ntawm pyramidal Kev ua haujlwm tsis zoo muaj xws li spasticity, tsis muaj zog, qeeb ntawm kev hloov pauv sai, hyperreflexia, thiab Babinski kos npe . 8. Cov leeg nqaij tau tshuaj xyuas los ntawm kev siv cov pob qij txha loj thiab txiav txim siab qib ntawm kev ua haujlwm.
Hauv qhov no, txoj haujlwm ntawm corticospinal yog dab tsi?
Muaj nuj nqi. Lub hom phiaj tseem ceeb ntawm cov kab mob corticospinal yog rau kev yeem lub cev muaj zog tswj lub cev thiab ceg ceg. Txawm li cas los xij, kev sib txuas mus rau somatosensory cortex qhia tias cov kab mob pyramidal tseem yog lub luag haujlwm rau kev hloov kho cov ntaub ntawv ntawm lub cev.
Cov kab ntawv dab tsi ua rau lub hauv paus txheej txheem?
Pyramidal system: muaj lub cev muaj zog neurons txuas ntawm lub cortex mus rau hlwb los yog tus txha caj qaum uas ua rau ob txoj hauv kev loj ntawm kev yeem txav mus los: corticospinal thiab corticobulbar tracts (qee zaum hu ua pyramidal tracts).
Pom zoo:
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