![Dab tsi yog qhov tseem ceeb ntawm lub paj hlwb? Dab tsi yog qhov tseem ceeb ntawm lub paj hlwb?](https://i.answers-medical.com/preview/medical-health/14126069-what-are-the-main-parts-of-the-brain-stem-j.webp)
Video: Dab tsi yog qhov tseem ceeb ntawm lub paj hlwb?
![Video: Dab tsi yog qhov tseem ceeb ntawm lub paj hlwb? Video: Dab tsi yog qhov tseem ceeb ntawm lub paj hlwb?](https://i.ytimg.com/vi/D0OAVDxqeNY/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub hlwb tau muab faib ua peb ntu hauv tib neeg: lub nruab nrab hlwb ( mesencephalon ), cov pes (metencephalon), thiab medulla oblongata (myelencephalon).
Ib yam li ntawd, koj yuav nug, dab tsi yog qhov ntawm lub paj hlwb?
Lub paj hlwb tswj hwm kev xa xov ntawm lub hlwb thiab tag nrho lub cev, thiab nws tseem tswj hwm lub cev kev ua haujlwm tseem ceeb xws li ua pa, nqos, lub plawv dhia, ntshav siab, nco qab, thiab seb ib tus puas tsaug zog lossis tsaug zog. Lub paj hlwb muaj los ntawm nruab nrab hlwb , pes , thiab medulla oblongata.
Qhov thib ob, txoj haujlwm ntawm nruab nrab ntawm lub paj hlwb yog dab tsi? Midbrain, tseem hu ua mesencephalon, thaj tsam ntawm kev loj hlob vertebrate hlwb uas yog tsim los ntawm tectum thiab tegmentum. Lub midbrain ua haujlwm tseem ceeb hauv lub zog txav , tshwj xeeb yog kev txav ntawm lub qhov muag, thiab hauv kev hnov thiab pom ua.
Qhov ntawd, 3 feem ntawm lub hlwb thiab lawv cov haujlwm yog dab tsi?
Lub paj hlwb . Cov hlwb ( hlwb qia ) yog qhov distal ib feem ntawm lub paj hlwb uas yog tsim los ntawm lub plawv nruab nrab, pons, thiab medulla oblongata. Txhua tus ntawm peb yam muaj nws tus kheej tshwj xeeb cov qauv thiab muaj nuj nqi . Ua ke, lawv pab tswj kev ua pa, lub plawv dhia, ntshav siab, thiab ntau yam tseem ceeb kev ua haujlwm.
Dab tsi yog txoj haujlwm tseem ceeb ntawm qis qis ntawm lub paj hlwb?
Medulla oblongata (myelencephalon) yog qis ib nrab ntawm lub paj hlwb txuas ntxiv nrog tus txha nqaj qaum. Nws sab sauv ib feem yog tas li nrog cov pons. Medulla muaj lub plawv, ua pa, ntuav, thiab vasomotor chaw tswj hwm lub plawv dhia, ua pa, thiab ntshav siab.
Pom zoo:
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Lub paj hlwb sab hauv suav nrog txhua lub paj hlwb hauv lub cev uas nyob sab nraud ntawm tus txha caj qaum thiab lub hlwb. Cov hlab ntsha no nqa cov ntaub ntawv mus rau thiab los ntawm lub hauv nruab nrab lub paj hlwb kom muab txoj haujlwm ntawm lub cev. Sensory hlwb koom nrog hauv kev noj cov ntaub ntawv los ntawm lub periphery mus rau hauv nruab nrab lub paj hlwb