| EB | elective abortion; electron beam; elementary body; emotional behavior; endometrial biopsy; epidermol... |
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| TB | Taussig-Bind [syndrome]; terabyte; term birth; terminal bronchiole; terminal bronchus; thromboxane B... |
| TBC | thyroxine-binding coagulin; total body calcium; total body clearance; tuberculosis |
| TBW | total body water; total body weight |
| WBS | Wechsler-Bellevue Scale; whole-blood serum; whole-body scan; Wiedemann-Beckwith syndrome; withdrawal... |
| crest of scapular spine | The posterior subcutaneous border of the spine of the scapula that expands in its medial part into a smooth triangular area. (05 Mar 2000) |
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| CREST syndrome | <syndrome> A variant of scleroderma that is characterised by the following: Calcinosis, Raynaud's disease, oesophageal motility disorder, sclerodactyly and telangiectasia. (27 Sep 1997) |
| posterior lacrimal crest | A vertical ridge on the orbital surface of the lacrimal bone which, together with the anterior lacrimal crest, bounds the fossa for the lacrimal sac. Synonym: crista lacrimalis posterior. (05 Mar 2000) |
| sacral crest | One of three rough irregular ridges on the posterior surface of the sacrum; median sacral crest; lateral sacral crests. Synonym: crista sacralis. (05 Mar 2000) |
| sagittal crest | A prominent ridge along the sagittal suture of the skull, present in some animals as a result of temporal muscle development. (05 Mar 2000) |
| pubic crest | The rough anterior border of the body of the pubis, continuous laterally with the pubic tubercle. Synonym: crista pubica. (05 Mar 2000) |
| sphenoid crest | A vertical ridge in the midline of the anterior surface of the sphenoid bone that articulates with the perpendicular plate of the ethmoid bone. Synonym: crista sphenoidalis. (05 Mar 2000) |
| spiral crest | The thickened periosteal lining of the bony cochlea forming the outer wall of the cochlear duct to which the basal lamina attaches. Synonym: crista spiralis, ligamentum spirale cochleae, spiral crest. (05 Mar 2000) |
| nape-crest | <zoology> An African bird of the genus Schizorhis, related to the plantain eaters. Source: Websters Dictionary (01 Mar 1998) |
| nasal crest | The midline ridge in the floor of the nasal cavity, formed by the union of the paired maxillae and palatine bones; the vomer attaches to the crest. Synonym: crista nasalis, saemicrista incisiva. (05 Mar 2000) |
| neural crest | A group of embryonic cells that separate from the neural plate during neurulation and migrate to give several different lineages of adult cells: the spinal and autonomic ganglia, the glial cells of the peripheral nervous system and nonneuronal cells, such as chromaffin cells, melanocytes and some haemopoietic cells. (18 Nov 1997) |
| neural crest syndrome | <syndrome> Syndrome consisting of loss of pain sensibility, autonomic dysfunction, pupillary abnormalities, neurogenic anhidrosis, vasomotor instability, aplasia of dental enamel, meningeal thickening, hyperflexion, and a degree of albinism; may reflect developmental abnormalities of the neural crest. (05 Mar 2000) |
| supinator crest | Crest of supinator muscle, the proximal part of the interosseous border of the ulna from which a portion of the supinator muscle takes origin. Synonym: crista musculi supinatoris. (05 Mar 2000) |
| supramastoid crest | The ridge that forms the posterior root of the zygomatic process of the temporal bone. Synonym: crista supramastoidea. (05 Mar 2000) |
| supraventricular crest | The internal muscular ridge that separates the conus arteriosus from the remaining part of the cavity of the right ventricle of the heart. Synonym: crista supraventricularis. (05 Mar 2000) |