Cervical vertebrae feem ntau muaj cov txheej txheem bifid (Y-shaped) spinous. Cov txheej txheem spinous ntawm C3-C6 vertebrae luv luv, tab sis tus txha nraub qaum ntawm C7 ntev dua.
txheej txheem bifid spinous nyob qhov twg?
Cov txheej txheem spinous ntawm ib txwm cervical vertebra yog luv thiab bifid posteriorly. Nws yog bifid vim nws txhim kho los ntawm ob qhov chaw sib cais thib ob ntawm ossification. Qhov morphology no tshwj xeeb rau cov txheej txheem ntawm ncauj tsev menyuam.
Lub vertebrae twg muaj cov txheej txheem bifid?
Lwm yam tshwj xeeb rau lub ncauj tsev menyuam vertebraeyog cov txheej txheem bifid spinous (Saib "physiologic variants" seem), uas tuaj yeem ua rau thaj tsam ntawm cov leeg txuas ntxiv. Cov txheej txheem spinous ntawm ncauj tsev menyuam vertebrae nce raws li tus txha caj qaum nqis.
Kuv tuaj yeem nrhiav cov txheej txheem spinous nyob qhov twg?
Hauv kev sawv lossis zaum, nws tuaj yeem nyob tau yooj yim by flexing lub taub hau thiab caj dab: qhov tseem ceeb tshaj plaws "pob" nyob rau sab nraub qaum yog cov txheej txheem spinous ntawm no vertebra.
Nyob rau hauv seem twg ntawm tus txha caj qaum peb puas pom bifid split spinous txheej txheem?
Lub atlas pivots ib ncig ntawm cov txheej txheem odontoid. Hom cervical vertebrae (C3–C7): Cov vertebrae no muaj lub cev me dua li lwm hom, thiab vertebral foramina yog loj thiab daim duab peb sab. Cov txheej txheem spinous luv luv thiab bifid (sib cais ua ob qhov kev kwv yees) ntawm the3rd, 4th, thiab 5th vertebrae.
