| BBB | blood-brain barrier; blood buffer base; bundle-branch block |
|---|---|
| BBBB | bilateral bundle-branch block |
| BEB | Biomedical Engineering Branch [of US Army] |
| BIDLB | block in posteroinferior division of left branch |
| br | boiling range; brachial; branch; branchial; breath; brother |
| transverse | Lying or being across, or in a crosswise direction; athwart; often opposed to longitudinal. <geometry> Transverse axis (of an ellipse or hyperbola), that axis which passes through the foci. <botany> Transverse partition, a partition, as of a pericarp, at right angles with the valves, as in the siliques of mustard. Origin: L. Transversus, p. P. Of transvertere to turn on direct across; trans across + vertere to turn: cf. F. Transverse. See Verse, and cf. Traverse. 1. Anything that is transverse or athwart. 2. <geometry> The longer, or transverse, axis of an ellipse. Source: Websters Dictionary (01 Mar 1998) |
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| transverse abdominal incision | An abdominal incision that is placed perpendicular to the axis of the rectus muscles of the abdomen. (05 Mar 2000) |
| transverse amputation | Amputation in which the line of section through the extremity is at right angles to the long axis. (05 Mar 2000) |
| transverse anthelicine groove | A deep groove on the cranial surface of the auricle separating the eminences of the triangular fossa and of the concha. Synonym: sulcus anthelicis transversus. (05 Mar 2000) |
| transverse arch of foot | The arch formed by the proximal parts of the metatarsal bones, the three cuneiform bones, and the cuboid. Synonym: arcus pedis transversalis. (05 Mar 2000) |
| transverse artery of neck | <anatomy, artery> Origin, thyrocervical trunk; branches, superficial (superficial cervical) and deep (descending scapular). Synonym: arteria transversa cervicis, arteria transversa colli, transverse artery of neck. (05 Mar 2000) |
| transverse arytenoid muscle | <anatomy> A band of muscular fibres passing between the two arytenoid cartilages posteriorly; action, narrows the intercartilaginous portion of the rima glottidis; nerve supply, recurrent laryngeal. Synonym: musculus arytenoideus transversus, arytenoideus. (05 Mar 2000) |
| transverse atlantal ligament | Thick, strong, centrally flattened band spanning the vertebral foramen of the atlas as it extends from the medial aspect of one lateral mass to the other, passing dorsal to the dens with which it articulates; it forms the dorsal portion of the opening for the dens, tightly embracing its neck. It forms a part of the "cross-bar" of the cruciform ligament of the atlas. See: cruciform ligament of atlas. Synonym: ligamentum transversum atlantis, Lauth's ligament, transverse atlantal ligament. (05 Mar 2000) |
| transverse auricular muscle | <anatomy> A band of sparse muscular fibres on the cranial surface of the auricle, extending from the eminence of the concha to the eminence of the scapha. Synonym: musculus transversus auriculae, transverse muscle of auricle. (05 Mar 2000) |
| transverse carpal ligament | <anatomy> A strong fibrous band crossing the front of the carpus and binding down the flexor tendons of the digits and the flexor carpi radialis tendon and the median nerve; in so doing it creates the carpal tunnel. Synonym: retinaculum flexorum, deep part of flexor retinaculum, flexor retinaculum, ligamentum carpi transversum, ligamentum carpi volare, volar carpal ligament. (05 Mar 2000) |
| transverse cervical artery | <anatomy, artery> Origin, thyrocervical trunk; branches, superficial (superficial cervical) and deep (descending scapular). Synonym: arteria transversa cervicis, arteria transversa colli, transverse artery of neck. (05 Mar 2000) |
| transverse cervical nerve | <anatomy, nerve> A branch of the cervical plexus that supplies the skin over the anterior triangle of the neck. Synonym: nervus transversus colli, cutaneous cervical nerve, nervus cervicalis superficialis, superficial cervical nerve, transverse nerve of neck. (05 Mar 2000) |
| transverse cervical veins | Venae comitantes of the corresponding arteries, emptying into the external jugular vein or sometimes into the subclavian vein. Synonym: venae transversae colli, transverse veins of neck. (05 Mar 2000) |
| transverse colon | <anatomy> The third division of the colon (large intestine). It communicates with the ascending colon in the upper right-hand quadrant of the abdomen and the descending colon in the upper left-hand quadrant. (19 Jan 1998) |
| transverse costal facet | A facet on the transverse process of a vertebra for articulation with the tubercle of a rib. Synonym: fovea costalis processus transversi, costal pit of transverse process. (05 Mar 2000) |