| coccygeal vertebrae | The four terminal segments of the vertebral column, usually fused to form the coccyx. Synonym: vertebrae coccygeae, tail vertebrae. (05 Mar 2000) |
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| codfish vertebrae | Exaggeration of the concavity of the upper and lower end plates of the vertebrae, as demonstrated radiographically in various types of osteopenia. (05 Mar 2000) |
| corpus vertebrae | The main portion of a vertebra anterior to the vertebral canal, as distinct from the arches. Synonym: corpus vertebrae. (05 Mar 2000) |
| haemangioma of vertebrae | <radiology> Cavernous type commonly found, 10% in autopsy series with the vast majority being small, asymptomatic and unable to be seen on plain films, most often in lumbar region and singular, complications: compression fractures (occasionally with cord compression), chronic haemorrhage to blockage of spinal canal X-ray: slight loss of density of vertebral body, vertically striped orientation of bone trabeculae (corduroy cloth) which may extend into the pedicle, occasionally with posterior bulging, cortical margins usually intact see also: haemangioma of bone (12 Dec 1998) |
| posterior tubercle of cervical vertebrae | A posterior projection from the transverse processes. Synonym: tuberculum posterius vertebrarum cervicalium. (05 Mar 2000) |
| sacral vertebrae | The segments of the vertebral column, usually five in number, that fuse to form the sacrum. Synonym: vertebrae sacrales. (05 Mar 2000) |
| hourglass vertebrae | The radiographic appearance of some vertebrae in osteogenesis imperfecta tarda. (05 Mar 2000) |
| H-shape vertebrae | <radiology> Sharply delimited depression of the central portion of the endplates of the vertebrae, producing a stocky H shape on radiographs, as in sickle cell anaemia. (05 Mar 2000) |
| dorsal vertebrae | An archaic term for thoracic vertebrae. (05 Mar 2000) |
| tail vertebrae | The four terminal segments of the vertebral column, usually fused to form the coccyx. Synonym: vertebrae coccygeae, tail vertebrae. (05 Mar 2000) |
| thoracic vertebrae | The segments of the vertebral column, usually twelve, which articulate with ribs to form part of the thoracic cage. Synonym: vertebrae thoracicae. (05 Mar 2000) |
| lamina arcus vertebrae | The flattened posterior portion of the vertebral arch extending between the pedicles and the midline, forming the dorsal wall of the vertebral foramen, and from the midline junction of which the spinous process extends. Synonym: lamina arcus vertebrae, neurapophysis. (05 Mar 2000) |
| lumbar vertebrae | The vertebrae, usually five in number, located in the lumbar region of the back. Synonym: vertebrae lumbales. (05 Mar 2000) |
| aneurysm, false | An aneurysm in which the entire wall is injured and the blood is contained by the surrounding tissues, with eventual formation of a sac communicating with the artery or heart. (12 Dec 1998) |
| positive, false | A result that is erroneously positive when a situation is normal. An example of a false positive: a particular test designed to detect cancer of the toenail is positive but the person does not have toenail cancer. (12 Dec 1998) |