| tuberculum impar | A small median protuberance on the floor of the oral cavity of the embryo between the mandibular and hyoid arches, which plays a minor role in the development of the tongue. Synonym: median tongue bud. (05 Mar 2000) |
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| ganglion impar | The most inferior, unpaired ganglion of the sympathetic trunk; inconstant. Synonym: coccygeal ganglion, Walther's ganglion. (05 Mar 2000) |
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| plexus thyroideus impar | A venous plexus in front of the lower portion of the trachea formed by anastomoses between the inferior laryngeal veins and veins emerging from the caudal border of the thyroid; it terminates in the unpaired inferior thyroid vein. (05 Mar 2000) |
| nervus impar | A long, slender connective tissue (pia mater) strand extending from the extremity of the medullary cone to the internal aspect of the spinal dural sac (filum terminale internum); stout strands of connective tissue attaching the spinal dural sac to the coccyx (filum terminale externum), commonly called the coccygeal ligament. Synonym: filum terminale, nervus impar, terminal thread. (05 Mar 2000) |
| tuberculum | Origin: L, dim. Of tuber a swelling. <zoology> A tubercle. Source: Websters Dictionary (01 Mar 1998) |
| tuberculum adductorium | The prominence above the medial epicondyle of the femur to which the tendon of the adductor magnus attaches. Synonym: tuberculum adductorium. (05 Mar 2000) |
| tuberculum anterius atlantis | A conical protuberance on the anterior surface of the arch of the atlas. Synonym: tuberculum anterius atlantis. (05 Mar 2000) |
| tuberculum anterius thalami | anterior thalamic tubercle |
| tuberculum anterius vertebrarum cervicalium | The anterior projection from the transverse process. Synonym: tuberculum anterius vertebrarum cervicalium. (05 Mar 2000) |
| tuberculum arthriticum | Any gouty concretion in or around a joint. (05 Mar 2000) |
| tuberculum articulare ossis temporalis | Articular eminence of the temporal bone which bounds the mandibular fossa anteriorly; it forms the anterior root of the zygomatic process; it is enclosed by the articular capsule of the temporomandibular joint with the articular fossa; the head of the mandible (and intervening articular disc) move onto the articular tubercle to allow full depression of mandible (opening of mouth). Synonym: tuberculum articulare ossis temporalis, articular eminence of temporal bone, eminentia articularis ossis temporalis, tuber zygomaticum. (05 Mar 2000) |
| tuberculum auriculae | A small projection from the upper end of the posterior portion of the incurved free margin of the helix. Synonym: tuberculum auriculae, darwinian tubercle, tuberculum superius. (05 Mar 2000) |
| tuberculum calcanei | The projection, often double, on the inferior aspect of the calcaneus at the anterior end of the area for attachment of the long plantar ligament. Synonym: tuberculum calcanei. (05 Mar 2000) |
| tuberculum caroticum | The anterior tubercle of the transverse process of the sixth cervical vertebra, against which the carotid artery may be compressed by the finger. Synonym: tuberculum caroticum, Chassaignac's tubercle. (05 Mar 2000) |
| tuberculum cinereum | A longitudinal prominence on the dorsolateral surface of the medulla oblongata along the lateral border of the tuberculum cuneatum; it is the surface profile of the spinal tract of trigeminal nerve, continuous caudally with the dorsolateral fasciculus (Lissauer's tract). Synonym: ashen tubercle, gray tubercle, Rolando's tubercle. (05 Mar 2000) |
| tuberculum conoideum | The prominence near the lateral end of the inferior surface of the clavicle that gives attachment to the conoid ligament. Synonym: tuberculum conoideum, conoid process. (05 Mar 2000) |