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- JACOBS LOCKING HOOK
- Thick, threaded rods for fixation of various spinal deformities.
- JARCHO-LEVIN SYNDROME
- Extensive defects of the spine with associated defects in the ribs leading to a small, stiff thorax and pulmonary compromise.
- JOINT
- The junction or articulation of two or more bones that permits varying degrees of motion between the bones.
- JOINTS of LUSCHKA (uncovertebral joints)
- Unique to the cervical spine, these jointlike structures are formed by the apposition of posterolateral portions of adjacent vertebral bodies; forms the anterior portion of the canal where nerves pass through.
- JUGULAR VEIN
- The major vein on each side of the neck draining blood from the head towards the heart. Large obvious vein in the neck.
- JUVENILE RHEUMATOID ARTHRITIS
- generalized inflammatory joint disease in children.
- JUVENILE SCOLIOSIS
- Begins between three and ten years of age.