![Cov nqaj qaum sib txawv li cas? Cov nqaj qaum sib txawv li cas?](https://i.answers-medical.com/preview/medical-health/13962546-how-are-spinal-cord-segments-different-j.webp)
Video: Cov nqaj qaum sib txawv li cas?
![Video: Cov nqaj qaum sib txawv li cas? Video: Cov nqaj qaum sib txawv li cas?](https://i.ytimg.com/vi/bwlxLDkAsbc/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Nyob rau hauv lub thoracic thiab sab sauv lumbar regions, cov sib txawv nruab nrab ntawm vertebrae thiab qaum qib yog peb ntu . Yog li ntawd, lub hauv paus filaments ntawm cov leeg txha nqaj qaum yuav tsum taug kev ntev mus txog qhov sib thooj intervertebral foramen los ntawm qhov tus txha nqaj qaum qab haus huv tawm.
Xav txog qhov no, ntu ntawm tus txha nqaj qaum yog dab tsi?
Txawm tias cov tus txha nqaj qaum kem yog qhov hloov pauv me ntsis, qee qhov vertebrae hauv qis dua ntawm lub tus txha nqaj qaum kem ua fused. Cov tus txha nqaj qaum yog nyob rau hauv lub vertebral foramen thiab yog ua los ntawm 31 ntu : 8 ncauj tsev menyuam , 12 thoracic, 5 lumbar, 5 sacral thiab 1 coccygeal.
Qhov thib ob, plaub pawg tseem ceeb ntawm cov leeg txha caj qaum yog dab tsi? Lub paj hlwb : Menyuam, Thoracic, Lumbar , Sacral, Coccyxgeal.
Hauv no, kev sib raug zoo ntawm cov leeg txha nqaj qaum thiab cov leeg txha nqaj qaum yog dab tsi?
Cov tus txha nqaj qaum yog nyob rau hauv qaum . Cov qaum muaj ib tug series ntawm vertebral segments . Cov tus txha nqaj qaum nws tus kheej muaj "neurological" segmental theem uas txhais los ntawm cov tus txha nqaj qaum cov hauv paus hniav uas nkag mus thiab muaj nyob hauv txha caj qaum nruab nrab txhua tus vertebral segments.
Tus qauv ntawm tus txha nqaj qaum yog dab tsi?
Tus txha nqaj qaum yog qhov ntev, nyias, tubular qauv ua los ntawm kev tshee tshee cov ntaub so ntswg , uas extends los ntawm medulla oblongata hauv lub hlwb mus rau thaj tsam lumbar ntawm vertebral kab . Nws encloses lub hauv paus kwj dej ntawm tus txha caj qaum, uas muaj cerebrospinal kua.
Pom zoo:
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