Cov txheej txheem:
Video: Lub ncauj tsev menyuam vertebrae nyob qhov twg hauv lub cev?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov ncauj tsev menyuam vertebrae ntawm tus nqaj qaum suav nrog xya pob txha pob txha uas nyob hauv caj dab nruab nrab ntawm lub hauv paus ntawm pob txha taub hau thiab thoracic qaum hauv lub cev. Ntawm cov qaum ntawm tus txha nqaj qaum kem, cov ncauj tsev menyuam vertebrae yog cov pob txha thinnest thiab feem ntau muag heev.
Raws li, qhov ncauj tsev menyuam nyob qhov twg hauv lub cev?
Ncauj tsev menyuam qaum. Txoj hauj lwm ntawm tib neeg ncauj tsev menyuam vertebrae (qhia liab). Nws suav nrog 7 pob txha, los ntawm saum toj mus rau hauv qab, C1, C2, C3, C4, C5, C6, thiab C7. Hauv tetrapods, ncauj tsev menyuam vertebrae (singular: vertebra) yog lub vertebrae ntawm caj dab , tam sim ntawd hauv qab pob txha taub hau.
Kuj Paub, qhov feem ntau ntawm lub ncauj tsev menyuam sib hloov tshwm sim qhov twg? Lub zog tig lub taub hau sab laug thiab sab xis tshwm sim yuav luag tag nrho ntawm kev sib koom ntawm atlas thiab axis, atlanto-axial sib koom. Ib qho me me ntawm kev sib hloov ntawm kab vertebral nws tus kheej pab txhawb kev txav mus los.
Ib yam li ntawd, tej zaum koj yuav nug, qhov twg lub ncauj tsev menyuam nqaj qaum pib thiab xaus?
Cov lub ncauj tsev menyuam nqaj qaum yog ua los ntawm thawj xya qaum hauv qaum . Nws pib tseem nyob hauv qab lub taub hau thiab xaus tsuas yog saum lub thoracic qaum . Cov ncauj tsev menyuam nqaj qaum muaj txoj kab nkhaus lordotic (rov qab C -puab) - ib yam li lub lumbar qaum.
Cov hlab ntsha dab tsi cuam tshuam los ntawm c3 thiab c4?
Cervical Nerve Functions
- C1, C2, thiab C3 (thawj peb lub ncauj tsev menyuam) pab tswj lub taub hau thiab caj dab, suav nrog kev txav mus los, thim rov qab, thiab rau ob sab.
- C4 pab tswj kev nce lub xub pwg nyom.
Pom zoo:
Qhov chaw nyob ntawm thawj lub tsev kawm qib siab kho hniav nyob hauv ntiaj teb nyob qhov twg?
Dr. John M. Harris tau pib lub ntiaj teb thawj lub tsev kho hniav hauv Bainbridge, Ohio, thiab tau pab tsim kho hniav raws li kev noj qab haus huv. Nws qhib rau 21 Lub Ob Hlis 1828, thiab niaj hnub no yog tsev khaws puav pheej kho hniav. Thawj lub tsev kawm kho hniav, Baltimore College ntawm Kev Kho Hniav, tau qhib hauv Baltimore, Maryland, Asmeskas xyoo 1840
Dab tsi yog qhov tshwj xeeb rau lub ncauj tsev menyuam vertebrae?
Cervical Vertebrae. Muaj xya lub ncauj tsev menyuam nyob hauv tib neeg lub cev. Lawv muaj peb yam tseem ceeb sib txawv: Bifid spinous process - txheej txheem spinous bifurcates ntawm nws qhov kawg. Cov kev zam rau qhov no yog C1 (tsis muaj txheej txheem spinous) thiab C7 (txheej txheem spinous ntev dua li ntawm C2-C6 thiab yuav tsis bifurcate)
Qhov chaw sib sib zog nqus ntawm ncauj tsev menyuam nyob qhov twg?
Cov qog ntshav ntawm ncauj tsev menyuam tau muab faib ua ob sab thiab qis dua thiab nyob sib sib zog nqus hauv caj dab. Lub ncauj tsev menyuam sib sib zog nqus sab saud nyob ntawm ib sab ntawm sab hauv ntawm cov hlab ntshav sab hauv thiab pw hauv qab ciam teb ntawm cov leeg sternomastoid
Dab tsi yog qhov tseem ceeb ntawm lub ncauj tsev menyuam vertebrae?
Lub ntsiab anatomical yam ntxwv ntawm ib tug raug ncauj tsev menyuam vertebra uas cais nws los ntawm lwm yam vertebrae yog qhov me me, transverse foramina, eeb-shaped lub cev, thiab bifid spinous txheej txheem (Fig
Kev sib hloov tshwm sim nyob qhov twg hauv lub ncauj tsev menyuam nqaj qaum?
Kev txav txav lub taub hau sab laug thiab sab xis tshwm sim yuav luag tag nrho ntawm kev sib koom ua ke ntawm daim ntawv thiab lub axis, atlanto-axial sib koom. Ib qho me me ntawm kev sib hloov ntawm kab lus vertebral nws tus kheej txhawb rau kev txav mus los