| septum linguae | The median vertical fibrous partition of the tongue merging posteriorly into the aponeurosis of the tongue. Synonym: septum linguae, septum of tongue. (05 Mar 2000) |
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| nigrities linguae | In canines, a disorder associated with a deficency of nicotinic acid. Black to yellowish brown discoloration of the dorsum of the tongue due to staining by exogenous material such as the components of tobacco; usually superimposed on hairy tongue. Synonym: lingua nigra, melanoglossia, nigrities linguae. (05 Mar 2000) |
| sulcus medianus linguae | <anatomy> Median groove or median longitudinal raphe of tongue; raphe linguae; a slight longitudinal depression running forward on the dorsal surface of the tongue from the foramen caecum. Synonym: sulcus medianus linguae, median longitudinal raphe of tongue, raphe linguae. (05 Mar 2000) |
| nucleus fibrosus linguae | lingual septum |
| dorsum linguae | The back of the tongue; the upper surface of the tongue divided by the sulcus terminalis into an anterior two-thirds, the pars presulcalis (presulcal part), and a posterior one-third, the pars postsulcalis (postsulcal part). Synonym: dorsum linguae. (05 Mar 2000) |
| tunica mucosa linguae | Mucous membrane of the tongue, the mucosa of the dorsum of the tongue appears velvety due to the presence of vast numbers of papillae; that of the inferior surface is smooth and thinner. Synonym: tunica mucosa linguae. (05 Mar 2000) |
| tylosis linguae | Leukoplakia of the tongue. (05 Mar 2000) |
| facies inferior linguae | The surface of the tongue that faces the floor of the oral cavity, its mucosa being thin, smooth and devoid of papillae. Synonym: facies inferior linguae. (05 Mar 2000) |
| folia linguae | Numerous projections arranged in several transverse folds upon the lateral margins of the tongue just in front of the palatoglossus muscle. Synonym: papillae foliatae, folia linguae. Fungiform papillae, numerous minute elevations on the dorsum of the tongue, of a fancied mushroom shape, the tip being broader than the base; the epithelium of many of these papillae has taste buds. Synonym: papillae fungiformes, clavate papillae. (05 Mar 2000) |
| foramen caecum linguae | <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 linguae | 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) |
| radix | Origin: L. Radix, -icis, root. See Radish. 1. <philosophy> A primitive, from which spring other words; a radical; a root; an etymon. 2. <mathematics> A finite expression, from which a series is derived. 3. <botany> The root of a plant. Source: Websters Dictionary (01 Mar 1998) |
| radix anterior | The motor root of a spinal nerve. Synonym: radix anterior, radix motoria, anterior root, motor root, radix ventralis. (05 Mar 2000) |
| radix arcus vertebrae | The constricted portion of the arch on either side extending from the body to the lamina; bound intervertebral foramina superiorly and inferiorly. Synonym: pediculus arcus vertebrae, radix arcus vertebrae. (05 Mar 2000) |
| radix brevis ganglii ciliaris | A branch of the oculomotor nerve supplying parasympathetic preganglionic nerve fibres to the ciliary ganglion. Synonym: radix parasympathica ganglii ciliaris, radix oculomotoria ganglii ciliaris, motor root of ciliary ganglion, oculomotor root of ciliary ganglion, radix brevis ganglii ciliaris, short root of ciliary ganglion. (05 Mar 2000) |