![Cov ceg ntawm tus txha nqaj qaum yog dab tsi? Cov ceg ntawm tus txha nqaj qaum yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14177111-what-are-the-branches-of-the-spinal-nerve-j.webp)
Video: Cov ceg ntawm tus txha nqaj qaum yog dab tsi?
![Video: Cov ceg ntawm tus txha nqaj qaum yog dab tsi? Video: Cov ceg ntawm tus txha nqaj qaum yog dab tsi?](https://i.ytimg.com/vi/la1ea0nQ0vY/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ceg ntawm Cov hlab ntsha
Cov txha caj qaum ceg mus rau hauv qab daus ramus, ventral ramus, meningeal ceg ntoo , thiab rami communicantes.
Ib sab ntawm qhov no, plaub pawg tseem ceeb ntawm cov leeg txha caj qaum yog dab tsi?
Cov hlab ntsha : Cervical, thoracic, Lumbar , Sacral, Coccyxgeal.
Kuj Paub, cov qauv dab tsi yog ib feem ntawm tus txha nqaj qaum? Cov tus txha nqaj qaum yog cylindrical qauv ntawm cov ntaub so ntswg uas tsim los ntawm cov teeb meem dawb thiab grey, tau sib koom ua ke thiab muab faib ua plaub thaj tsam: ncauj tsev menyuam (C), thoracic (T), lumbar (L) thiab sacral (S), (Daim duab 3.1), txhua qhov uas suav nrog ntau ntu.
Tsis tas li ntawd, muaj pes tsawg ceg ua rau lub paj hlwb tawg?
Hauv tib neeg muaj 31 khub: 8 lub ncauj tsev menyuam, 12 thoracic, 5 lumbar, 5 sacral, thiab 1 coccygeal. Txhua khub txuas tus qaum qaum nrog ib cheeb tsam ntawm lub cev. Nyob ze qaum cord ib cov leeg leeg leeg leeg mus rau hauv ob cag.
Dab tsi yog cov hlab ntsha loj ntawm lub lumbar plexus?
Qab haus huv. Cov qab haus huv tshwm sim los ntawm lub lumbar plexus los ntawm qhov zoo tshaj rau qis dua yog iliohypogastric mob , lub cev , genitofemoral , lateral femoral cutaneous , femoral hlab ntsha , obturator , thiab paj hlwb rau lub cev lumbosacral. Cov iliohypogastric paj yog tsim los ntawm tus txha caj qaum T12 thiab L1.
Pom zoo:
Dab tsi ntawm sab laug ntawm tus txha nqaj qaum muaj cov lus nug?
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Qhov nruab nrab ntawm lub paj hlwb ntawm tus txha caj qaum muaj: lub cev ntawm lub cev tsis muaj zog lub cev muaj zog neurons. Cov qauv no muaj axons tsis sib xws thiab ua haujlwm sib txuas lus ntawm sab xis thiab sab laug ntawm qhov teeb meem grey hauv tus txha caj qaum
Cov txheej txheem ntawm tus txha nqaj qaum yog dab tsi?
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Nws tau ua los ntawm peb txheej, uas los ntawm sab nraud mus rau sab hauv (piv txwv li cranium/vertebrae rau lub hlwb/txha caj qaum) yog: dura mater, arachnoid mater, thiab. pia mav
Cov yam ntxwv sab nraud ntawm tus txha nqaj qaum yog dab tsi?
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Cov hauv qab no yog cov yam ntxwv sab nraud ntawm tus txha caj qaum (saib daim duab 1): Cov leeg txha caj qaum tshwm sim ua khub, ib qho ntawm txhua sab ntawm tus txha caj qaum raws nws qhov ntev. Cov hlab ntsha ntawm ncauj tsev menyuam tsim lub plexus (txoj kab sib txuas sib txuas ntawm cov hlab ntsha -lub paj hlwb sib tshuam thiab ceg)
Peb ceg twg muab los ntawm tus txha nqaj qaum?
![Peb ceg twg muab los ntawm tus txha nqaj qaum? Peb ceg twg muab los ntawm tus txha nqaj qaum?](https://i.answers-medical.com/preview/medical-health/13942897-what-are-the-three-branches-given-off-by-a-spinal-nerve-j.webp)
Ceg: Cov hlab ntsha txha caj qaum ceg mus rau hauv dorsal ramus, ventral ramus, cov ceg tawv nqaij tawv, thiab rami communicantes
Cov hlab ntsha twg kis tau los ntawm tus txha nqaj qaum mus rau txhais ceg?
![Cov hlab ntsha twg kis tau los ntawm tus txha nqaj qaum mus rau txhais ceg? Cov hlab ntsha twg kis tau los ntawm tus txha nqaj qaum mus rau txhais ceg?](https://i.answers-medical.com/preview/medical-health/14061350-what-nerve-passes-from-the-spinal-cord-into-the-leg-j.webp)
Cov hlab ntsha sciatic tau muab los ntawm L4-5 thiab S1–2 ntu ntawm tus txha nqaj qaum, sab xub ntiag rami uas ua rau qis qis ntawm lumbosacral plexus, koom ua ke los ua cov hlab ntsha sciatic