The entire spinal column (backbone); the series of vertebrae from the neck to the pelvis that supports the body and protects the spinal cord (medical/anatomical term).
背中の痛みの原因が脊柱の異常によると診断された。
The back pain was diagnosed as caused by an abnormality in the spinal column.
医師に脊柱のMRI検査を勧められた。
The doctor recommended an MRI of the spine.
脊柱の骨折は重篤な神経障害を引き起こすことがある。
A fracture of the spinal column can sometimes cause serious nerve damage.