| ALW | arch-loop whorl |
|---|---|
| AoArE | aortic arch epinephrine |
| CA | anterior commissure [Lat. commissura anterior]; calcium antagonist; California [rabbit]; cancer; Can... |
| IAA | imidazoleacetic acid; indoleacetic acid; infectious agent, arthritis; insulin autoantibody; Internat... |
| PAV | percutaneous aortic valvuloplasty; poikiloderma atrophicans vasculare; posterior arch vein; proporti... |
| vertebra plana | <radiology> Calve-Kummel-Verneuil disease, vertebral osteochondrosis, avascular necrosis of vertebral body, age: 2-15 years X-ray: uniform collapse of vertebral body into flat thin disc, increased density of verbra, neural arches not affected, disc spaces are normal with normal intervertebral disc space, intervertebral vacuum cleft sign (pathognomonic), no kyphosis mnemonic: FETISH, fracture, eosinophilic granuloma, tumour, infection, steroids, haemangioma (12 Dec 1998) |
|---|---|
| vertebra prominens | The vertebra in the cervicothoracic region which has the most prominent spinous process (seventh cervical vertebra in 70% of the cases, sixth in 20%, and first thoracic vertebra in 10%). Synonym: nuchal tubercle. (05 Mar 2000) |
| vertebra prominens reflex | Pressure upon the last cervical vertebra of an animal, especially of one whose labyrinths have been destroyed and the vestibular nuclei isolated, causes relaxation or reduced tone of all four limbs. (05 Mar 2000) |
| vertebra vera | Any one of the cervical, thoracic, or lumbar vertebrae. Synonym: vertebra vera. (05 Mar 2000) |
| centrum of a vertebra | The ossification centre of the central mass of the body of a vertebra, body of vertebra (as distinct from the arches). (05 Mar 2000) |
| rugger jersey vertebra | Appearance of a vertebral body with horizontal sclerotic bands adjacent to the endplates; associated with renal osteodystrophy. (05 Mar 2000) |
| picture frame vertebra | Radiographically diminished density of trabecular bone with relative preservation of the cortex, a sign of osteopenia. (05 Mar 2000) |
| cranial vertebra | A segment of the skull regarded as homologous with a segment of the vertebral column. (05 Mar 2000) |
| ivory vertebra | A radiographically dense vertebra, usually from metastatic disease, especially lymphoma when solitary. (05 Mar 2000) |
| odontoid vertebra | <botany> A stem, commonly used for the main stem of a whole plant or of an inflorescence. (09 Oct 1997) |
| toothed vertebra | <botany> A stem, commonly used for the main stem of a whole plant or of an inflorescence. (09 Oct 1997) |
| true vertebra | Any one of the cervical, thoracic, or lumbar vertebrae. Synonym: vertebra vera. (05 Mar 2000) |
| abdominothoracic arch | A bell-shaped line defined by the lower end of the sternum and the costal arches on each side, constituting a boundary line between the anterolateral portions of the thoracic and abdominal walls. (05 Mar 2000) |
| alveolar arch of mandible | The free margin of the alveolar process of the mandible. Synonym: arcus alveolaris mandibulae, limbus alveolaris. (05 Mar 2000) |
| alveolar arch of maxilla | The free border of the alveolar process of the maxilla. Synonym: arcus alveolaris maxillae, limbus alveolaris. (05 Mar 2000) |