rachio-, rachi-, rach-, rachis-, rhach-, rhachi-, rhachio-

(Greek > Latin: spine, backbone)

rachiometer
An instrument for measuring curvatures of the vertebral column.
rachiomyelitis
An inflammation of the spinal cord structures.
rachiopagus
Equal conjoined twins joined back to back in such a way as to involve fusion of the vertebral columns.

Fusion is usually limited to the cervical and/or upper thoracic regions.

rachioparalysis
Paralysis of paraspinal muscles.
rachiopathy (s) (noun), rachiopathies (pl)
One kind of disease or disorder of the vertebrae; spondylopathy: Mrs. Big was getting older and had rachiopathy, which was osteopathy of the spine.
rachiophyma
A rounded tumor of the skin surface arising over the spine.
rachioplegia
Any form of paralysis due to a spinal lesion.
rachioscoliosis
The treatment of scoliosis by the combination of traction and pressure.
rachiotome, rachitome
A bone cutting instrument for dividing the vertebral laminae.
rachiotomy
Laminectomy.
rachiresistance
Failure to respond adequately to spinal anesthesia.
rachiresistant
Exhibiting resistance to spinal anesthesia.
rachis
rachisagra
Pain in the spine; spinal gout.
rachischisis