Cov txheej txheem:
Video: Dab tsi yog cov khoom ntawm intervertebral discs?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2024-01-18 09:28
Txhua lub disc yog ua los ntawm ob ntu: annulus fibrosus thiab nucleus pulposus
- Annulus Fibrosis. Lub annulus yog cov qauv ruaj khov zoo li cov log tsheb uas ntim cov hauv paus zoo li gel, lub cov nucleus pulposus .
- Nucleus Pulposus . Qhov chaw nruab nrab ntawm txhua lub disc intervertebral yog ntim nrog cov gel zoo li cov khoom ywj.
- Cov ntawv kawg.
Tom qab ntawd, dab tsi yog intervertebral discs ua los ntawm?
Cov intervertebral discs suav nrog lub nplhaib txheej sab nrauv, lub annulus fibrosus disci intervertebralis, uas nyob ib puag ncig ib puag ncig zoo li lub hauv paus, nucleus pulposus. Lub annulus fibrosus muaj ob peb txheej (laminae) ntawm fibrocartilage ua nce ntawm ob hom I thiab hom II collagen.
Kuj Paub, pes tsawg tus intervertebral discs muaj? Nws yog lub ncoo ntawm fibrocartilage thiab tus thawj xib fwb sib koom ua ke ntawm ob lub vertebrae hauv tus txha nqaj qaum. Muaj 23 discs hauv tib neeg tus txha nraub qaum: 6 hauv cheeb tsam ncauj tsev menyuam (caj dab), 12 hauv thaj tsam thoracic (nruab nrab nraub qaum), thiab 5 hauv cheeb tsam lumbar (qis nraub qaum).
Ntawm no, dab tsi yog intervertebral disks ua los ntawm thiab dab tsi yog lawv txoj haujlwm?
Cov intervertebral discs muaj cov ua raws kev ua haujlwm : Lawv muab cushioning rau cov vertebrae thiab txo cov kev nyuab siab los ntawm kev cuam tshuam. Los ntawm kev khaws cia cov vertebrae sib cais los ntawm ib leeg, lawv ua raws li hom kev poob siab rau cov qaum. Lawv pab tiv thaiv cov qab haus huv uas khiav qis cov qaum thiab nruab nrab cov qaum.
Puas yog intervertebral discs muaj ntshav txaus?
Thaum neeg laus daim ntawv mos txwv kawg thiab daim disk nws tus kheej ib txwm muaj tsis muaj cov hlab ntsha ntawm lawv tus kheej tab sis vam khom rau ntshav txaus ntawm cov ntaub so ntswg uas nyob ib sab, xws li ligaments thiab qaum lub cev, thauj cov khoom noj thiab tshem tawm cov khoom pov tseg. Tsuas yog sab nrauv ntawm daim disk yog innervated.
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