Ihe nlereanya a nwere 5 lumbar vertebrae nwere diski intervertebral, sacrum, tailbone, spinal nerve na spine, na isi.E nwere abụọ, eke nnukwu na obere.
N'ezie nnukwu, mbukota: 10 iberibe / igbe, 74x43x29cm, 12kgs
Obere, mbukota: 32 iberibe / igbe, 62x29x29cm, 10kgs