| radial eminence of wrist | A rather large flat eminence on the radial side of the palmar aspect of the wrist, due to the tuberosity of scaphoid and the ridge on the trapezium. Synonym: eminentia carpi radialis. (05 Mar 2000) |
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| radial flexor muscle of wrist | <anatomy, muscle> Origin, common flexor origin of the medial condyle of humerus; insertion, anterior surface of the base of the second and most often sending a slip to that of the third metacarpal bone; action, flexes and abducts wrist radialward; nerve supply, median; its tendon travels in its own canal roofed by a layer of the transverse carpal ligament. Synonym: musculus flexor carpi radialis, radial flexor muscle of wrist. (05 Mar 2000) |
| radiate ligament of wrist | The ligament that extends from the capitate bone to the scaphoid, lunate, and triquetrum on the palmar side of the wrist. Synonym: ligamentum carpi radiatum. (05 Mar 2000) |
| medial ligament of wrist | A ligament that passes from the styloid process of the ulna to the pisiform and triquetrum. Synonym: ligamentum collaterale carpi ulnare, internal collateral ligament of the wrist, medial ligament of wrist. (05 Mar 2000) |
| wrist | 1. <anatomy> The joint, or the region of the joint, between the hand and the arm; the carpus. See Carpus. "He took me by the wrist, and held me hard." (Shak) 2. <machinery> A stud or pin which forms a journal; also called wrist pin. Bridle wrist, the wrist of the left hand, in which a horseman holds the bridle. Wrist clonus. [NL. Clonus, fr. Gr. See Clonic. <medicine> A swinging plate bearing two or more wrists, for operating the valves. Origin: OE. Wriste, wrist, AS. Wrist; akin to OFries. Wriust, LG. Wrist, G. Rist wrist, instep, Icel. Rist instep, Dan. & Sw. Vrist, and perhaps to E. Writhe. Source: Websters Dictionary (01 Mar 1998) |
| wrist clonus | Rhythmical contractions and relaxations of the muscles of the forearm excited by a forcible passive extension of the hand. (05 Mar 2000) |
| wrist clonus reflex | Sudden extension of the wrist induces a sustained clonic movement. (05 Mar 2000) |
| wrist dislocation | <radiology> 10% of all carpal injuries due to fall on outstretched hand, perilunate dislocation (more common), lunate dislocation (12 Dec 1998) |
| wrist-drop | Paralysis of the extensors of the wrist and fingers; most often caused by lesion of the radial nerve. Synonym: carpoptosis, carpoptosia, drop hand. (05 Mar 2000) |
| wrist fractures | <radiology> Colles fracture distal radius DORSAL angulation of distal fragment, Smith fracture distal radius (reverse Colles) volar angulation of distal fragment, Barton intra-articular fracture through DORSAL aspect of radius ventral Barton: through VENTRAL aspect, chauffeur's fracture of radial styloid (intra-articular) (12 Dec 1998) |
| wrist injuries | Injuries to the wrist or the wrist joint. (12 Dec 1998) |
| wrist joint | The synovial joint between the distal end of the radius and its articular disk and the proximal row of carpal bones with the exception of the pisiform bone. Synonym: articulatio radiocarpea, carpal articulation, carpal joints, radiocarpal articulation, radiocarpal joint. (05 Mar 2000) |
| wrist sign | <clinical sign> In Marfan's syndrome, when the wrist is gripped with the opposite hand, the thumb and fifth finger overlap appreciably. (05 Mar 2000) |
| short radial extensor muscle of wrist | <anatomy, muscle> Origin, lateral epicondyle of humerus; insertion, base of third metacarpal bone; action, extends and abducts wrist radialward; nerve supply, radial. Synonym: musculus extensor carpi radialis brevis, short radial extensor muscle of wrist. (05 Mar 2000) |
| internal collateral ligament of the wrist | A ligament that passes from the styloid process of the ulna to the pisiform and triquetrum. Synonym: ligamentum collaterale carpi ulnare, internal collateral ligament of the wrist, medial ligament of wrist. (05 Mar 2000) |