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Odontoid fracture

Fracture of the axis dens, classified partly by fracture location and potentially compromising upper cervical...

Odontoid process

The odontoid process, or dens, is an upward bony projection of the second cervical vertebra....

Opioid

Drug acting on opioid receptors to alter pain, with risks including sedation, dependence and respiratory...

Osmosis in the intervertebral disc

Water movement related to concentration differences and disc-matrix properties, contributing to hydration and load response.Lire...

Ossification of the ligamentum flavum

Ossification of the ligamentum flavum is bone formation within a ligament connecting adjacent vertebral laminae...

Ossification of the posterior longitudinal ligament

Ossification of the posterior longitudinal ligament is bone formation within the ligament behind the vertebral...

Osteoarthritis

Whole-joint disorder involving changes in cartilage, bone and other tissues, potentially causing pain or stiffness.Lire...

Osteolysis

Localized reduction or destruction of bone, seen as tissue loss or reduced density depending on...

Osteopathy

Manual-care approach focusing on assessment and body function; professional training and status vary across jurisdictions.Lire...

Osteophyte

Bony outgrowth that can develop near a joint or vertebral endplate during degenerative change.Lire cette...