Kev ua kom dawb huv ib nrab ntawm l5 yog dab tsi?
Kev ua kom dawb huv ib nrab ntawm l5 yog dab tsi?

Video: Kev ua kom dawb huv ib nrab ntawm l5 yog dab tsi?

Video: Kev ua kom dawb huv ib nrab ntawm l5 yog dab tsi?
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Kev dawb huv yog ib qho xwm txheej tsis sib xws ntawm tus nqaj qaum, qhov thib tsib vertebra fused rau pob txha sacrum nyob hauv qab ntawm tus nqaj qaum. Thib tsib lumbar vertebra, hu ua L5 , tuaj yeem fuse tag nrho lossis ib nrab ntawm ob sab ntawm lub sacrum, lossis ob sab. Kev dawb huv yog ib qho tsis xws luag uas tshwm sim hauv lub embryo.

Yog li, dab tsi yog txhais los ntawm Sacralization?

Kev kho mob Txhais ntawm kev dawb huv : kev koom ua ke (raws li lub lumbar vertebra kawg lossis ib qho ntawm nws ib feem) rau hauv lub sacrum tshwj xeeb: qhov tsis xwm yeem los ntawm qhov uas lub lumbar vertebra thib tsib tau fused rau sacrum hauv qib sib txawv.

Kuj Paub, l5 yog dab tsi? Thib tsib lumbar qaum vertebrae ( L5 ) yog ib feem ntawm cheeb tsam lumbar ntau dua. Cov L5 yog qhov qis tshaj nrog thaj tsam lumbar, vim nws yog qhov ze tshaj plaws ntawm lub sacrum thiab lub plab. Ib yam li lwm lub lumbar vertebrae, tus L5 feem ntau tiv thaiv tus txha nqaj qaum.

Hauv qhov no, Sacralisation ntawm lumbar nqaj qaum yog dab tsi?

Kev dawb huv yog qhov tsis xwm yeem los ntawm kev yug menyuam uas qhov txheej txheem ntawm qhov kawg lumbar vertebrae fuses mus rau lub sacrum los yog ilium. Kev sib xyaw yuav tshwm sim ntawm ib sab lossis ob qho tib si. Nws tau xav tias nws yuav yog qhov ua rau mob nraub qaum.

Yuav ua li cas yog tias koj muaj 6 lub lumbar vertebrae?

Qee zaum cov neeg mob tau hais tias a tus txha nqaj qaum anomaly - xws li tus thib rau lumbar vertebrae lossis pob txha sacral ntxiv - tau pom ntawm X -ray thiab ua rau lawv muaj teeb meem nraub qaum. Yog qhov pob txha protrusion no txuas rau lub sacrum, nws tau tsim kev sib koom ua ke (pseudoarticulation) qhov twg yuav tsum tsis txhob muaj.

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