2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cov pob txha intervertebral yog qhov loj tshaj plaws thiab tuab tshaj plaws nyob rau hauv thaj tsam lumbar Lub hauv siab, lossis lub lumbus, yog ob sab ntawm sab nraub qaum thiab lub plab, thiab sab nraub qaum. Lub sij hawm yog siv los piav txog lub cev ntawm tib neeg thiab quadrupeds, xws li nees, npua, lossis nyuj. https://en.wikipedia.org › wiki › Loin
Loin - Wikipedia
, vim cov vertebrae nqa ntau lub cev hnyav. Cov discs yog thinnest nyob rau hauv lub Upper thoracic cheeb tsam.
Dab tsi vertebrae muaj qhov loj tshaj?
L5 muaj lub cev loj tshaj plaws thiab cov txheej txheem hla ntawm tag nrho cov vertebrae. Lub ntees ntawm lub cev muaj qhov siab ntau dua piv rau tom qab. Qhov no tsim lub lumbosacral lub kaum sab xis ntawm lub lumbar cheeb tsam ntawm lub vertebrae thiab lub sacrum.
Yuav ua li cas vertebrae muaj loj intervertebral disc?
Lub nucleus ntawm lub disc ua raws li kev poob siab absorber, nqus qhov cuam tshuam ntawm lub cev kev ua ub no thiab ua kom ob lub vertebrae sib cais. Nws yog qhov seem ntawm lub notochord. Muaj ib qho disc ntawm txhua khub ntawm vertebrae, tshwj tsis yog rau thawj ntu ntawm ncauj tsev menyuam, the atlas.
Yuav loj npaum li cas yog lub vertebrae disc?
Mean disc qhov siab nyob rau hauv qis lumbar ntu yog 11.6 +/- 1.8 hli rau lub L3/4 disc, 11.3 +/- 2.1 hli rau L4/5, thiab 10.7 +/- 2.1 hli rau qib L5 / S1. Qhov nruab nrab ib ncig ntawm qhov qis kawg ntawm plaub lub lumbar vertebra yog 141 hli thiab qhov nruab nrab ntawm qhov chaw.yog 1,492 mm2.
Vim li cas ib qho intervertebral disc tsis nyob nruab nrab ntawm C1 thiab C2?
Cov discs intervertebral ua ib feem plaub ntawm tus txha caj qaum qhov ntev. Tsis muaj discs ntawm Atlas (C1), Axis (C2), thiab Coccyx. Discs tsis yog vascular thiab yog li nyob ntawm daim phiaj kawg kom nthuav tawm cov khoom noj uas xav tau.
Pom zoo:
Qhov twg yog qhov chaw sab hnub tuaj tshaj plaws ntawm thaj av loj hauv tebchaws Africa?
Africa (mainland) Northernmost point - Ras ben Sakka (Ra's al Abyad) (Cape Blanc), Tunisia. Southernmost point - Cape Agulhas, South Africa. Westernmost point - Pointe des Almadies, Cap Vert Peninsula, Ngor, Dakar, Senegal (17° 33'22"
Qhov twg yog qhov loj tshaj?
Qhov loj tshaj plaws incisal embrasure yog nruab nrab ntawm maxillary lateral thiab canine. Qhov thib ob loj tshaj plaws incisal embrasure yog nruab nrab ntawm lub mandibular lateral & canine. Cov hniav twg muaj qhov loj tshaj plaws?
Qhov twg yog qhov txo qis hauv stratospheric ozone qhov loj tshaj?
Qhov kev txo qis tshaj plaws hauv ozone tau tshwm sim hauv qhov siab latitudes (mus rau tus ncej), thiab qhov tsawg tshaj plaws tau tshwm sim nyob rau hauv qis latitudes (tropics). Tsis tas li ntawd, kev ntsuas atmospheric qhia tias depletion ntawm ozone txheej tau nce tus nqi ntawm UV hluav taws xob mus txog lub ntiaj teb nto.
Thaum twg ib qho intervertebral disc protrudes?
Disc Protrusion Cov tsos mob thiab kev kho mob. Disc protrusions, bulging los yog herniated discs yog tag nrho cov feem ntau hu ua ib tug slipped disc. Ib qho swb yog ib lo lus piav qhia dav dav hais txog kev degeneration lossis kev puas tsuaj rau cov discs intervertebral.
Qhov twg intervertebral disc raug mob feem ntau?
L5-S1 disc yog nyob nruab nrab ntawm 5th lumbar thiab 1st sacral pob txha. Ob lub discs no ua haujlwm tshaj plaws thiab feem ntau raug mob. Paralysis tsis tshua muaj tshwm sim nrog disc herniation. Yuav ua li cas feem ntau cuam tshuam cov disc raug mob tshwm sim?
