A bone inflammation disease that results_in inflammation in the joints of the spine and pelvis. The disease has_symptom pain, has_symptom stiffness in the spine, has_symptom stiffness in the neck, has_symptom stiffness in the hips, has_symptom stiffness in the jaw and has_symptom stiffness in the rib cage.

Reference
DiseaseOntology: Ankylosing spondylitis