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Radiology
Chapter 17 Vocab Part 1 & 2
Question | Answer |
---|---|
Atlas | The C1 vertebra; a ring-like structure with no vertebral body and a very short spinous process. |
Axis | The C2 vertebra; the vertebra on which the atlas rotates so the head can turn from side to side. |
Cervical spine | The most superior section of the vertebral column; it consists of seven vertebrae with lordotic curve. |
Coccyx | The most inferior section of the vertebral column, consisting of three to five vertebral segments; also called the tailbone. |
Dens | A tooth or tooth-like structure or process; the odontoid process of the axis. |
Facet | The articular surface of intervertebral joints. These are located on each of the four articular processes that extent superiorly and inferiorly from the vertebral arch. |
Intervertebral disk | A pad of fibrocartilage between vertebral bodies that cushions vertebral motion and absorbs shock. |
Kyphotic curve, kyphosis | A posterior convex curvature of the spine. |
Lamina | Any thin, flat layer of membrane or other bulkier tissue; the right or left posterior portionof the vertebral arch |
Lordotic curve, lordosis | An anterior convex curvature of the spine. |
Lumbar spine | The five vertebrae located inferior to the thoracic spine. |
Pedicle | A narrow stalk, stem, or tube of tissue attached to a tumor, skin flap, bone, or organ; the right and left anterior portions of the vertebral arch on either side of the vertebral body. |
Sacrum | The five vertebral segments inferior to the lumbar vertebrae, which fuse together in adulthood to form a solid bony structure. |
Scoliosis | An abnormal lateral curvature of the spine. |
Stenosis | Narrowing of a passageway, such as an intervertebral foramen. |
Thoracic spine | The dorsal spine, which consists of 12 vertebrae witha kyphotic curve; located inferior to the cervical spine. |
Vertebra | An one of the 33 bones (26 in adults) of the spinal column. |