| LUSB | left upper scapular border; left upper sternal border |
|---|---|
| UA | absorption unsharpness; ultra-audible; ultrasonic arteriography; umbilical artery; unauthorized abse... |
| UE | uncertain etiology; under elbow; uninvolved epidermis; upper esophagus; upper extremity |
| URI | uniform resource identifier; upper respiratory illness; upper respiratory infection |
| US | screen unsharpness ultrasonic, ultrasound; ultrasonography; unconditioned stimulus; unique sequence;... |
| upper subscapular nerve | Two branches of the posterior cord of the brachial plexus, an upper and lower, supplying the subscapularis muscle; the lower subscapular nerve also supplies the teres major muscle. Synonym: nervi subscapulares. (05 Mar 2000) |
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| upper thoracic splanchnic nerves | Part of the cardiopulmonary splanchnic nerves from the second to fifth segments of the thoracic sympathetic trunk that pass medially and anteriorly to enter the cardiac plexus; they convey postsynaptic sympathetic fibres to, and visceral afferent (pain) fibres from, the heart. Synonym: nervi cardiaci thoracici, upper thoracic splanchnic nerves. (05 Mar 2000) |
| upper uterine segment | The main portion of the body of the gravid uterus, the contraction of which furnishes the chief force of expulsion in labour. (05 Mar 2000) |
| carpal joints | The synovial joints between the carpal bones. Synonym: articulationes intercarpeae, carpal joints. (05 Mar 2000) |
| carpometacarpal joints | The synovial joints between the carpal and metacarpal bones; these are all plane joints except that of the thumb, which is saddle-shaped. Synonym: articulationes carpometacarpeae. (05 Mar 2000) |
| metacarpophalangeal joints | The spheroid synovial joints between the heads of the metacarpals and the bases of the proximal phalanges. Synonym: articulationes metacarpophalangeae, metacarpophalangeal articulations, MP joints. (05 Mar 2000) |
| metatarsophalangeal joints | The spheroid synovial joints between the heads of the metatarsals and the bases of the proximal phalanges of the toes. Synonym: articulationes metatarsophalangeae, metatarsophalangeal articulations, MP joints. (05 Mar 2000) |
| phalangeal joints | The hinge synovial joints between the phalanges of the fingers. Synonym: articulationes interphalangeae manus, digital joints, interphalangeal articulations, phalangeal joints. (05 Mar 2000) |
| Clutton's joints | Symmetrical arthrosis, especially of the knee joints, in cases of congenital syphilis. (05 Mar 2000) |
| PIP joints | The synovial joint's between the proximal and middle phalanges of the fingers and of the toes. Synonym: PIP joints. (05 Mar 2000) |
| MP joints | The spheroid synovial joints between the heads of the metacarpals and the bases of the proximal phalanges. Synonym: articulationes metacarpophalangeae, metacarpophalangeal articulations, MP joints. (05 Mar 2000) |
| costovertebral joints | The synovial joints uniting ribs and vertebrae; they consist of the articulatio capitis costae and the articulatio costotransversaria. Synonym: articulationes costovertebrales. (05 Mar 2000) |
| cuneometatarsal joints | The three synovial joints between the tarsal and metatarsal bones, consisting of a medial joint between the first cuneiform and first metatarsal, an intermediate joint between the second and third cuneiforms and corresponding metatarsals, and a lateral joint between the cuboid and fourth and fifth metatarsals. Synonym: articulationes tarsometatarseae, cuneometatarsal joints, Lisfranc's joints. (05 Mar 2000) |
| proximal interphalangeal joints | The synovial joint's between the proximal and middle phalanges of the fingers and of the toes. Synonym: PIP joints. (05 Mar 2000) |
| sternal joints | The cartilaginous junctions between the body of the sternum and the manubrium, and the xiphoid process; in domestic animals, there may be several, e.g., synchondrosis manubriosternalis, synchondrosis intersternebralis, and synchondrosis xiphosternalis. Synonym: synchondroses sternales, sternal joints. (05 Mar 2000) |