Video: Dab tsi yog qhov tshwj xeeb txog lub ncauj tsev menyuam thib ob hu ua Axis?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Vertebra , lub ncauj tsev menyuam thib ob : Cov thib ob ncauj tsev menyuam vertebra yog hu ua axis . Nws yog li ntawd- npe vim yog qhov kawg cervical vertebra ( hu ua cov atlas ) tig txog cov txheej txheem odontoid ntawm thib ob ncauj tsev menyuam vertebra . Kev sib koom tes ntawm axis thiab atlas yog hom pivot ntawm kev sib koom tes. Nws tso cai tig taub hau.
Hais txog qhov no, dab tsi tshwj xeeb txog thawj lub ncauj tsev menyuam hu ua Atlas thiab lub ncauj tsev menyuam thib ob hu ua Axis?
Cov atlas yog thawj lub ncauj tsev menyuam (caj dab) qaum uas yog nyob rau hauv lub taub hau; nws yog lub npe rau Atlas , Vaj tswv Greek uas txhawb nqa lub ntiaj teb ntawm nws xub pwg. Cov axis yog thib ob ncauj tsev menyuam vertebra ; nws muaj dab tsi hu ua cov txheej txheem odontoid uas cov atlas tig
Ib yam li ntawd, koj hu dab tsi qhov kev kwv yees zoo tshaj ntawm lub ncauj tsev menyuam thib ob? Ib qho tseem ceeb tshaj plaws ntawm cov pob txha axis yog a zoo tshaj , zoo zuv projection npe txheej txheem odontoid (los yog qhov chaw). tig ib sab-rau-sab, cov pob txha atlas tig ncig ib puag ncig zoo li cov txheej txheem odontoid. Qhov no yog qhov laj thawj yog vim li cas thib ob ncauj tsev menyuam vertebra kuj yog hu ua cev ax.
Ib sab saum toj no, lub npe ntawm lub ncauj tsev menyuam thib ob yog dab tsi?
Hauv anatomy, lub thib ob ncauj tsev menyuam vertebra (C2) ntawm tus txha nraub qaum yog hu ua axis (los ntawm Latin axis, "axle") lossis epistropheus. Los ntawm atlanto-axial sib koom, nws tsim cov pivot raws li qhov ua ntej cervical vertebra (cov atlas ), uas nqa lub taub hau, tig.
Dab tsi yog qhov tseem ceeb ntawm axis vertebra?
Cov axis yog qhov thib ob cervical vertebra , feem ntau hu ua C2 . Nws yog atypical cervical vertebra nrog tshwj xeeb nta thiab kev sib raug zoo tseem ceeb uas ua rau nws pom tau yooj yim. Nws yog qhov tseem ceeb tshaj plaws yam ntxwv yog txheej txheem odontoid (lossis ntais), uas yog lub cev embryologically ntawm lub cev atlas (C1) 1, 2.
Pom zoo:
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)
Txoj hauv kev tsim nyog kom loj qhov ncauj ntawm qhov ncauj rau menyuam yaus yog dab tsi?
Txhawm rau nrhiav qhov zoo tshaj plaws rau koj tus menyuam, taug txoj kab kev xav ntawm ib sab ntawm lub ntsej muag los ntawm ib ces kaum ntawm tus menyuam lub qhov ncauj mus rau pob ntseg. Muab lub cuab yeej tso rau ntawm tus menyuam lub ntsej muag raws kab no. Txoj hlab pa OP yog qhov ntev yog tias nws mus txog ntawm kaum ntawm lub qhov ncauj mus rau pob ntseg
Dab tsi yog lub npe ntawm daim ntawv xeem ncauj tsev menyuam thib ob?
Qhov thib ob ncauj tsev menyuam vertebra (C2). Nws muaj cov phiaj xwm pob txha hu ua dens ib puag ncig uas lub atlas tig tso cai rau 'tsis muaj' txav ntawm pob txha taub hau. Txhua lub ncauj tsev menyuam vertebrae muaj qhov qhib hauv ob qho kev hloov pauv txawm hais tias cov hlab ntsha nqaj qaum muab ntshav rau lub hlwb dhau
Dab tsi ntawm cov atlas thiab axis yog qhov tshwj xeeb?
Latin: Atlas, vertebra cervicalis kuv
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