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
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 the ages of 3 and
10 years of age.