| tongue of cerebellum | A tongue-shaped sequence of flattened cerebellar folia forming the anterior (or superior) extreme of the cerebellar vermis, extending forward on the surface of the superior medullary velum between the two emerging superior cerebellar peduncles. Synonym: lingula cerebelli, lingua cerebelli, tongue of cerebellum. (05 Mar 2000) |
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| tongue phenomenon | <clinical sign> In latent tetany, tapping the tongue causes its depression with a concave dorsum. Synonym: tongue phenomenon. (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, hairy | A benign condition of the tongue characterised by hypertrophy of the filiform papillae that give the dorsum of the tongue a furry appearance. The colour of the elongated papillae varies from yellowish white to brown or black, depending upon staining by substances such as tobacco, food, or drugs. (12 Dec 1998) |
| 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-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) |
| tonguefish | <zoology> A flounder (Symphurus plagiusa) native of the southern coast of the United States. Source: Websters Dictionary (01 Mar 1998) |
| tonguester | One who uses his tongue; a talker; a story-teller; a gossip. "Step by step we rose to greatness; through the tonguesters we may fall." (Tennyson) Source: Websters Dictionary (01 Mar 1998) |
| tongueworm | <zoology> Any species of Linguatulina. Source: Websters Dictionary (01 Mar 1998) |
| tonic | 1. Producing and restoring the normal tone. 2. Characterised by continuous tension. 3. A term formerly used for a class of medicinal preparations believed to have the power of restoring normal tone to tissue. Origin: Gr. Tonikos (18 Nov 1997) |
| tonic contraction | Sustained contraction of a muscle, as employed in the maintenance of posture. (05 Mar 2000) |
| tonic control | Nerve impulses that maintain a normal tonus or level of activity in muscle or other effector organs. (05 Mar 2000) |
| tonic convulsion | A convulsion in which muscle contraction is sustained. Synonym: tetanic convulsion, tonic seizure. (05 Mar 2000) |
| tonic epilepsy | An attack in which the body is rigid. (05 Mar 2000) |