| MMR | mass miniature radiography; masseter muscle rigidity; maternal mortality rate; measles-mumps-rubella... |
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| CTV | cervical and thoracic vertebrae; clinical target volume |
| D3-12 | third to twelfth dorsal vertebrae |
| L1, | L2, L3, L4, L5 first, second, third, fourth, and fifth lumbar vertebrae |
| T1-T12 | first to twelfth thoracic vertebrae |
| vertebrae sacrales | The segments of the vertebral column, usually five in number, that fuse to form the sacrum. Synonym: vertebrae sacrales. (05 Mar 2000) |
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| vertebrae spuriae | <anatomy> The fused vertebral segments of the sacrum and coccyx. Synonym: vertebrae spuriae. (05 Mar 2000) |
| vertebrae thoracicae | 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) |
| caudal vertebrae | The vertebrae that form the skeleton of the tail. (05 Mar 2000) |
| pediculus arcus vertebrae | The constricted portion of the arch on either side extending from the body to the lamina; bound intervertebral foramina superiorly and inferiorly. Synonym: pediculus arcus vertebrae, radix arcus vertebrae. (05 Mar 2000) |
| cervical vertebrae | The seven segments of the vertebral column located in the neck. Synonym: vertebrae cervicales. (05 Mar 2000) |
| coccygeal vertebrae | The four terminal segments of the vertebral column, usually fused to form the coccyx. Synonym: vertebrae coccygeae, tail vertebrae. (05 Mar 2000) |
| 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) |