| tuberal nuclei | Two or three small, encapsulated, round or ovoid clusters of cells in the lateral hypothalamic area along the surface of the tuber cinereum; their connections and functional significance are unknown. Synonym: nuclei tuberales, lateral tuberal nuclei. (05 Mar 2000) |
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| tubercidin | <chemical> An antibiotic purine ribonucleoside that readily substitutes for adenosine in the biological system, but its incorporation into DNA and RNA has an inhibitory effect on the metabolism of these nucleic acids. Pharmacological action: antibiotics, antineoplastic, antimetabolites, antimetabolites, antineoplastic. Chemical name: 7H-Pyrrolo(2,3-d)pyrimidin-4-amine, 7-beta-D-ribofuranosyl- (12 Dec 1998) |
| tubercle | <microbiology> Chronic inflammatory focus, a granuloma, caused by Mycobacterium tuberculosis. (18 Nov 1997) |
| tubercle bacillus | The Gram-positive bacterium that causes tuberculosis. (09 Oct 1997) |
| tubercle of anterior scalene muscle | <anatomy> Anterior thalamic tubercle, a prominence at the anterior extremity of the thalamus which corresponds to the nuclei anteriores. Synonym: tuberculum anterius thalami, anterior tubercle of thalamus, scalene tubercle. (05 Mar 2000) |
| tubercle of iliac crest | A prominence on the outer lip of the iliac crest about 5 cm behind the anterior superior iliac spine. Synonym: tuberculum iliacum, iliac tubercle. (05 Mar 2000) |
| tubercle of nucleus gracilis | tubercle of gracile nucleus |
| tubercle of rib | The knob on the posterior surface of a rib, at the junction of its neck and shaft, which articulates with the transverse process of the vertebra, whch corresponds in number to the rib, forming a costotransverse joint. Synonym: tuberculum costae. (05 Mar 2000) |
| tubercle of saddle | The slight elevation in front of the pituitary fossa (sella turcica) on the body of the sphenoid bone. Synonym: tubercle of saddle. (05 Mar 2000) |
| tubercle of scaphoid bone | A projection at the inferior lateral angle of the scaphoid (navicular) bone; it can be felt at the root of the thumb. Synonym: tuberculum ossis scaphoidei. (05 Mar 2000) |
| tubercle of tooth | 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) |
| tubercle of trapezium | A prominent ridge on the trapezium forming the lateral border of the groove in which runs the tendon of the flexor carpi radialis. Synonym: tuberculum ossis trapezii, oblique ridge of trapezium. (05 Mar 2000) |
| tubercle of upper lip | The slight projection on the free edge of the centre of the upper lip at the lower extent of the philtrum. Synonym: tuberculum labii superioris, procheilon, prochilon, tubercle of upper lip. (05 Mar 2000) |
| tubercula | Plural of tuberculum. (05 Mar 2000) |
| tubercula dolorosa | An obsolete term for multiple cutaneous myomas or neuromas which are painful on pressure. (05 Mar 2000) |