| DCBE | double contrast barium enema |
|---|---|
| DCC | day care center; detected in colon cancer; dextran-coated charcoal; diameter of cylindrical collimat... |
| DCX | double charge exchange |
| DCx | double convex |
| DD | dangerous drug; data definition; day of delivery; degenerated disc; degenerative disease; delusional... |
| tongue phenomenon | <clinical sign> In latent tetany, tapping the tongue causes its depression with a concave dorsum. Synonym: tongue phenomenon. (05 Mar 2000) |
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| tongue-shaped | <botany> Shaped like a tongue; specifically, linear or oblong, and fleshy, blunt at the end, and convex beneath; as, a tongue-shaped leaf. Source: Websters Dictionary (01 Mar 1998) |
| tongue-swallowing | A slipping back of the tongue against the pharynx, causing choking. (05 Mar 2000) |
| tongue thrust | The infantile pattern of the suckle-swallow movement in which the tongue is placed between the incisor teeth or the alveolar ridges during the initial stage of swallowing, resulting sometimes in an anterior open bite. (05 Mar 2000) |
| tongue-tie | <medicine> Impeded motion of the tongue because of the shortness of the fraenum, or of the adhesion of its margins to the gums. Source: Websters Dictionary (01 Mar 1998) |
| transverse muscle of tongue | An intrinsic muscle of the tongue, the fibres of which arise from the septum and radiate to the dorsum and sides; action, decreases lateral dimension of the tongue; nerve supply, hypoglossal for motor, lingual for sensory. Synonym: musculus transversus linguae. (05 Mar 2000) |
| fissured tongue | A painless condition of the tongue characterised by numerous grooves or furrows on the dorsal surface. Synonym: grooved tongue, lingua fissurata, lingua plicata, scrotal tongue. (05 Mar 2000) |
| foramen caecum of tongue | <anatomy> A median pit on the dorsum of the posterior part of the tongue, from which the limbs of a V-shaped furrow run forward and outward; it is the site of origin of the thyroid gland and subsequent thyroglossal duct in the embryo. Synonym: foramen caecum linguae, blind foramen of the tongue, caecal foramen of the tongue, Morgagni's foramen, pleuroperitoneal foramen. (05 Mar 2000) |
| frenulum of tongue | A fold of mucous membrane extending from the floor of the mouth to the midline of the undersurface of the tongue. Synonym: frenulum linguae, frenulum of tongue, vinculum linguae. (05 Mar 2000) |
| furred tongue | A tongue with a whitish layer on its upper surface, composed of epithelial debris, food particles, and bacteria; often an indication of indigestion or of fever. Synonym: furred tongue. (05 Mar 2000) |
| long-tongue | torticollis Previous: writing, writing hand, wrongful life, wrought wire, wrybill, wrymouthNext: wry neck, wuchereria, wuchereria bancrofti, Wuchereria malayilong-tongue -->wry neck 1. A twisted or distorted neck; a deformity in which the neck is drawn to one side by a rigid contraction of one of the muscles of the neck; torticollis. Medically called spasmodic torticollis, or torticollis. The most common of the focal dystonias. In torticollis, the muscles in the neck that control the position of the head are affected, causing the head to twist and turn to one side. In addition, the head may be pulled forward or backward. 2. <ornithology> Any one of several species of Old World birds of the genus Jynx, allied to the woodpeckers; especially, the common European species (J. Torguilla); so called from its habit of turning the neck around in different directions. Synonym: cuckoo's mate, snakebird, summer bird, tonguebird, and writheneck. Source: Websters Dictionary (01 Mar 1998) |
| bufadienolides (two double bonds) | Bufatrienolides (three double bonds), etc; they have varying numbers of hydroxyl groups at positions 3, 5, 14, and 16, and these may be further substituted. For structure, see steroids. (05 Mar 2000) |
| bufenolides (one double bond) | (05 Mar 2000) |
| carbon-carbon double bond isomerases | <enzyme> Enzymes that catalyze the shifting of a carbon-carbon double bond from one position to another within the same molecule. Registry number: EC 5.3.3 (12 Dec 1998) |
| RNA, double-stranded | RNA consisting of two strands as opposed to the more prevalent single-stranded RNA. most of the double-stranded segments are formed from transcription of DNA by intramolecular base-pairing of inverted complementary sequences separated by a single-stranded loop. Some double-stranded segments of RNA are normal in all organisms. (12 Dec 1998) |