Wrist clonus
Wrist Wrist, n. [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.] [1913 Webster] 1. (Anat.) The joint, or the region of the joint, between the hand and the arm; the carpus. See {Carpus}. [1913 Webster]

He took me by the wrist, and held me hard. --Shak. [1913 Webster]

2. (Mach.) A stud or pin which forms a journal; -- also called {wrist pin}. [1913 Webster]

{Bridle wrist}, the wrist of the left hand, in which a horseman holds the bridle.

{Wrist clonus}. [NL. clonus, fr. Gr. ?. See {Clonic}.] (Med.) A series of quickly alternating movements of flexion and extension of the wrist, produced in some cases of nervous disease by suddenly bending the hand back upon the forearm.

{Wrist drop} (Med.), paralysis of the extensor muscles of the hand, affecting the hand so that when an attempt is made to hold it out in line with the forearm with the palm down, the hand drops. It is chiefly due to plumbism. Called also {hand drop}.

{Wrist plate} (Steam Engine), a swinging plate bearing two or more wrists, for operating the valves. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • wrist clonus — spasmodic movement of the hand, induced by suddenly and forcibly extending the hand at the wrist …   Medical dictionary

  • Wrist — Wrist, n. [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.] [1913 Webster] 1. (Anat.) The joint, or the region of the joint, between the hand… …   The Collaborative International Dictionary of English

  • Wrist drop — Wrist Wrist, n. [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.] [1913 Webster] 1. (Anat.) The joint, or the region of the joint, between the… …   The Collaborative International Dictionary of English

  • wrist pin — Wrist Wrist, n. [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.] [1913 Webster] 1. (Anat.) The joint, or the region of the joint, between the… …   The Collaborative International Dictionary of English

  • Wrist plate — Wrist Wrist, n. [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.] [1913 Webster] 1. (Anat.) The joint, or the region of the joint, between the… …   The Collaborative International Dictionary of English

  • clonus — A form of movement marked by contractions and relaxations of a muscle, occurring in rapid succession seen with, among other conditions, spasticity and some seizure disorders. SEE ALSO: contraction. [G. klonos, a tumult] ankle c. a rhythmic… …   Medical dictionary

  • Bridle wrist — Wrist Wrist, n. [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.] [1913 Webster] 1. (Anat.) The joint, or the region of the joint, between the… …   The Collaborative International Dictionary of English

  • hand drop — Wrist Wrist, n. [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.] [1913 Webster] 1. (Anat.) The joint, or the region of the joint, between the… …   The Collaborative International Dictionary of English

  • Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… …   Medical dictionary

  • Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… …   Medical dictionary

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