| NA | Avogadro constant or number; nalidixic acid; Narcotics Anonymous; network administrator; neuraminida... |
|---|---|
| NRS | neurobehavioral rating scale; normal rabbit serum; normal reference serum; numerical rating scale |
| VNDPT | visual numerical discrimination pre-test |
| DMF | decayed, missing, and filled [teeth]; N,N-dimethylformamide; diphasic milk fever |
| REEDS | retention of tears, ectrodactyly, ectodermal dysplasia, and strange hair, skin and teeth [syndrome] |
| universal instability | <radiobiology> Low-frequency instability resulting from the presence of density gradients perpendicular to the magnetic field lines. An instability of this type is generally localised and usually has a small rate of growth. (09 Oct 1997) |
|---|---|
| universal precautions | Prudent standard preventive measures to be taken by professional and other health personnel in contact with persons afflicted with a communicable disease, to avoid contracting the disease by contagion or infection. Precautions are especially applicable in the diagnosis and care of aids patients. (12 Dec 1998) |
| universal solvent | A substance sought by the alchemists, and claimed by some to have been found, supposedly capable of dissolving all substances; sometimes, in a physiological sense, applied to water. (05 Mar 2000) |
| universal tube | A straight, cylindrical glass vial that holds about 25 millilitres and istopped with a screw-on cap. (09 Oct 1997) |
| anatomic teeth | Artificial teeth that duplicate the anatomic forms of natural teeth. (05 Mar 2000) |
| anterior teeth | <dentistry> Your centrals, laterals, and cuspids. These are the teeth in the front of your mouth. (08 Jan 1998) |
| auditory teeth | Tooth-shaped formations or ridges occurring on the vestibular lip of the limbus lamina spiralis of the cochlear duct. Synonym: dentes acustici, Corti's auditory teeth, Huschke's auditory teeth. (05 Mar 2000) |
| back teeth | All teeth posterior to the canines. (05 Mar 2000) |
| geminated teeth | <dentistry> A developmental anomaly arising from the attempted division of one tooth bud, resulting in incomplete formation of two teeth and usually manifest as a bifid crown upon a single root. (05 Mar 2000) |
| ratio of decayed and filled teeth | An index of decayed and filled permanent teeth per person, per full complement of 28 teeth. (05 Mar 2000) |
| metal insert teeth | Prosthetic teeth containing metal cutting surfaces in the occlusal surfaces. (05 Mar 2000) |
| migrating teeth | Teeth which are changing position under natural forces. (05 Mar 2000) |
| plastic teeth | Artificial teeth constructed of synthetic resins. (05 Mar 2000) |
| Corti's auditory teeth | Tooth-shaped formations or ridges occurring on the vestibular lip of the limbus lamina spiralis of the cochlear duct. Synonym: dentes acustici, Corti's auditory teeth, Huschke's auditory teeth. (05 Mar 2000) |
| crossbite teeth | Posterior teeth designed to permit the modified cusps of the upper teeth to be positioned in the fossae of the lower teeth. (05 Mar 2000) |