Ankylosis - (an-ky-lo-sis)

Abnormal adhesion / fusion and rigidity of the bones of a joint

Aortic valve - (aor-tic valve)

One of the four valves in the heart

Bowel - (bow-el )

Another name for the intestine

Cervical - (cer-vi-cal )

Relating to the neck

Dorsal - (Dorsal)

Relating to the upper back or ribcage

Lumbar - (lum-bar)

Relating to the lower back – part between the ribcage and the hipbones

Relapse - (re-lapse )

Deterioration in health; the return of signs and symptoms of a disease after a patient has been in remission for some time

Remission - (re-mis-sion )

Symptom-free period during the course of a disease

Spine - (spine)

The column of bone (also known as the vertebral column) which surrounds and protects the spinal cord.

Spondylitis - (spon-dy-li-tis )

Inflammation of one or more of the vertebrae of the spine.

Stenosis - (ste-no-sis )

Abnormal narrowing of a bodily canal or passageway

Vertebra - (ver-te-bra )

The bony segments of the vertebral column or spine. (Plural - vertebrae)