Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to atactic: syndiotactic polymer
pertaining to or characterized by ataxia; marked by incoordination or irregularity.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
ataxia(a-tak'se-a, a?) [Gr. ataxia, lack of order]
Defective muscular coordination, esp. that manifested when voluntary muscular movements are attempted. atacticataxic (a-tak'tik, a?) (a-tak'sik, a?), adjective
In chronic alcoholism, ataxia due to a loss of proprioception.
Ataxia due to a lesion in the medulla oblongata or pons.
Ataxia due to cerebellar disease.
Ataxia in patients with chorea.
Friedreich ataxiaSee: Friedreich, Nikolaus
Ataxia of leg muscles due to somatoform disorders.
Inability to make smooth, coordinated movements of an arm or a leg, as when trying to touch an examiner's finger with an index finger or when trying to run one's right or left heel straight down the opposite shin. Limb ataxia is present when a limb that has no deficits in strength wobbles during movement or misses its target.
locomotor ataxiaTabes dorsalis.
Marie ataxiaSee: Marie, Pierre Marie
Inability to perform coordinated muscle movements.
Loss of hand-eye coordination in reaching for an object one has seen, due to damage to visually dedicated regions of the cerebral cortex.
Ataxia due to interference in conduction of sensory responses, esp. proprioceptive impulses from muscles. The condition becomes aggravated when the eyes are closed.See: Romberg sign; spinal ataxia
Ataxia due to spinal cord disease.
Loss of deep sensibility, causing inability to preserve equilibrium in standing.
Medical Dictionary, © 2009 Farlex and Partners