| dental tubercle | A small elevation on some portions of a crown produced by an extra formation of enamel. Synonym: tuberculum dentis, crown tubercle, tubercle of tooth, tuberculum coronae. (05 Mar 2000) |
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| dental tubules | Minute, wavy, branching tubes or canals in the dentin; they contain the long cytoplasmic processes of odontoblasts and extend radially from the pulp to the dentoenamel junction. Synonym: dental tubules, dentinal canals, dentinal tubules, tubuli dentales. (05 Mar 2000) |
| dental ulcer | An ulcer on the oral mucuous membrane caused by biting or by rubbing against the edge of a broken tooth. (05 Mar 2000) |
| dental veneers | The use of a layer of tooth-coloured material, usually porcelain or acrylic resin, applied to the surface of natural teeth, crowns, or pontics by fusion, cementation, or mechanical retention. (12 Dec 1998) |
| dental waste | Any waste product generated by a dental office, surgery, clinic, or laboratory including amalgams, saliva, and rinse water. (12 Dec 1998) |
| dentalgia | Pain in the teeth. (27 Sep 1997) |
| dentalium | <marine biology> A genus of marine mollusks belonging to the Scaphopoda, having a tubular conical shell. Origin: NL, fr. L. Dens, dentis, tooth. (19 Mar 1998) |
| dentary | <anatomy> Pertaining to, or bearing, teeth. The distal bone of the lower jaw in many animals, which may or may not bear teeth. Source: Websters Dictionary (01 Mar 1998) |
| dentary centre | A specific ossification centre of the mandible that gives rise to the lower border of its outer plate. (05 Mar 2000) |
| dentate | 1. Having teeth; furnished with teeth. "Ruby-lipped and toothed with pearl." 2. <botany> Having marginal projecting points; dentate. <zoology> Toothed whale, any whale of the order Denticete. See Denticete. Toothed wheel, a wheel with teeth or projections cut or set on its edge or circumference, for transmitting motion by their action on the engaging teeth of another wheel. Source: Websters Dictionary (01 Mar 1998) |
| dentate fascia | Serrated strip of gray matter under the medial border of the hippocampus and in its depths. It is an archicortex which develops along the edge of the hippocampal fissure and which consists of molecular, granular, and polymorphic layers. The molecular layer is continuous with that of the hippocampus in the depths of the hippocampal fissure. (carpenter and sutin, human neuroanatomy, 8th ed, p626) (12 Dec 1998) |
| dentate fissure | A shallow groove between the dentate gyrus and the parahippocampal gyrus; the remains of a fissure extending deep into the hippocampus between Ammon's horn and the dentate gyrus which becomes obliterated during foetal development. Synonym: sulcus hippocampi, dentate fissure, fissura dentata, fissura hippocampi, hippocampal fissure. (05 Mar 2000) |
| dentate fracture | A fracture in which the opposing surfaces are rough, with toothed or serrate projections fitting into corresponding indentations. (05 Mar 2000) |
| dentate gyrus | Serrated strip of gray matter under the medial border of the hippocampus and in its depths. It is an archicortex which develops along the edge of the hippocampal fissure and which consists of molecular, granular, and polymorphic layers. The molecular layer is continuous with that of the hippocampus in the depths of the hippocampal fissure. (carpenter and sutin, human neuroanatomy, 8th ed, p626) (12 Dec 1998) |
| dentate ligament of spinal cord | Rarely used variation on the spelling of denticulate ligament. (05 Mar 2000) |